The resistance of the resistor is 1.8Ω
Consider the voltage across the inductor 4 sec after the switch is closed is V(4)
The voltage across the inductor 4 sec after the switch is closed is 80% of its maximum value, i.e., V(4)=0.8[tex]V_{0}[/tex]
Consider the expression for the voltage across the RL circuit.
V(t)=[tex]V_{0}e-\frac{t}{T}[/tex]
Where [tex]V_{0}[/tex] is the maximum voltage, t is the time, V(t) is the voltage at time
t and T is the time constant.
Substitute the values of ,[tex]V_{0}[/tex], V(t) and t in the above expression.
[tex]$$\begin{aligned}0.8 \mathrm{~V}_0 & =\mathrm{V}_0 \times \mathrm{e}^{-\frac{4}{\tau}} \\0.8 & =\mathrm{e}^{-\frac{4}{\tau}} \\\frac{1}{0.8} & =\mathrm{e}^{\frac{4}{\tau}}\end{aligned}$$[/tex]
Take natural log on both the sides.
[tex]$$\ln \left(\frac{1}{0.8}\right)=\frac{4}{\tau}$$[/tex]
Rearrange the above expression.
[tex]$$\begin{aligned}\tau & =\frac{4}{\ln \left(\frac{1}{0.8}\right)} \\& =17.9 \mathrm{~s}\end{aligned}$$[/tex]
Now consider the expression for time constant.
[tex]$$\tau=\frac{\mathrm{L}}{\mathrm{R}}$$[/tex]
Where R is the inductance and L is the resistance.
Rearrange the above expression.
R = [tex]\frac{L}{T}[/tex]
Substitute the values of T and L in the above expression.
[tex]R=\frac{34}{17.9}\\ R=1.8[/tex]Ω.
Therefore, the resistance of resistor is 1.8Ω
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what is the mass, in grams, of solute in 0.175 l of 3.17 ´ 10-2 m kcl?
0.414 g is the mass, in grams, of solute in 0.175 l of 3.17 ´ 10-2 m kcl .
The mass of the solute can be calculated using the formula mass of solute=volume of solution * concentration of solution.
Identify the overall volume of the solution.
Note the mass concentration.
To find the mass of the solute, multiply the volume by the mass concentration of the solution.
The concentration of the solute is expressed in terms of mass or moles. By multiplying the grammes of solute per gramme of solution by 100, the mass percent of a solution can be computed. of the mass Formula.
A substance that has dissolved in a solution is referred to as a solute. Solvents are substances that help solutes dissolve in solutions. The amount of a solute present per litre of a solution is measured in grammes per litre.
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A solid sphere has a radius of 5cm. It is hung from a spring with spring constant 80 N/m and stretches the spring 8cm from its equilibrium position. Find the density of the sphere
The density of the sphere given that it has a radius of 5 cm is 1.25 g/cm³
How do I determine the density of the sphere?We'll begin by obtaining the mass of the sphere. This is shown below:
Spring constant (K) = 80 NExtension (e) = 8 cm = 8 / 100 = 0.08 mForce (F) = Ke = 80 × 0.08 = 6.4 NAcceleration due to gravity (g) = 9.8 m/s²Mass (m) = ?F = mg
Divide both sides by g
m = F / g
m = 6.4 / 9.8
m = 0.653 Kg
m = 0.653 × 1000
m = 653 g
Next, we shall determine the volume of the sphere. Details below:
Radius (r) = 5 cm Pi (π) = 3.14Volume (V) = ?V = 4/3πr³
V = (4/3) × 3.14 × 5³
V = 523 cm³
Finally, we shall determine the density of the sphere. This is illustrated below:
Mass of sphere = 653 gVolume of sphere = 523 cm³ Density of sphere = ?Density = mass / volume
Density of sphere = 653 / 523
Density of sphere = 1.25 g/cm³
Thus, the density of the sphere is 1.25 g/cm³
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an electrical power station uses 1.13 1014 j of heat input with an efficiency of 35.2%. (a) how much work is done?
A thermal power plant's efficiency is 35.2%, using 1.13*10¹⁴ j of heat input. The difference between the amount of work that is completed and the amount of waste heat is 0.733*10¹⁴ J or 1.84 g.
Heat input θ[tex]_{i}[/tex]=1.13*10¹⁴ J
η=35.2%
Let's take,
Work done = W
Heat rejected (waste)=θ[tex]_{R}[/tex]
a)η=W/Q[tex]_{i}[/tex]=0.352
W=0.352*1.13*10¹⁴
W=0.397*10¹⁴ J
b) Ist law of thermodynamics
θ[tex]_{i}[/tex]=θ[tex]_{R}[/tex]+W
θ[tex]_{R}[/tex]= θ[tex]_{i}[/tex] -W
θ[tex]_{R}[/tex]=0.733*10¹⁴ J
c)
θ[tex]_{R}[/tex]/W = 0.733*10¹⁴ /0.397*10¹⁴
θ[tex]_{R}[/tex]/W =1.84 g
Efficiency is the ability to carry out tasks or produce desired results without wasting time, resources, money, energy, or other factors. It is the capacity to carry out tasks effectively, efficiently, and without wasting time in a broader sense.
In terms that are more mathematical or scientific, it refers to the degree of performance that requires the fewest inputs to produce the greatest output. It frequently entails the ability of a particular application of effort to create a particular result with a minimal amount or quantity of waste, expense, or superfluous work. Efficiency is used to describe extremely varied inputs and outputs in several disciplines and sectors. "Resource efficiency involves using the Earth's limited resources," the European Commission stated in 2019.
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a volleyball is spiked so that its incoming velocity of 3.74 m/s is changed to an outgoing velocity of -19.7 m/s. the mass of the volleyball is 0.350 kg. what is the magnitude of the impulse that the player applies to the ball?
The magnitude of an impulse that the player applies is simply the absolute value of this result or 66.57 Ns.
To find the impulse applied to the ball, you can use the impulse-momentum theorem, which states that the impulse applied to an object is equal to the change in momentum of the object. The momentum of an object is equal to its mass times its velocity, so the change in momentum of the ball is equal to the difference between its final momentum and its initial momentum.
Plugging in the values given in the problem, we find that the change in momentum of the ball is equal to (-19.7 m/s) - (3.74 m/s) = -23.44 m/s. The mass of the ball is 0.350 kg, so the impulse applied to the ball is equal to the change in momentum divided by the mass, or (-23.44 m/s) / (0.350 kg) = -66.57 Ns. The magnitude of this impulse is simply the absolute value of this result, or 66.57 Ns.
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how to find the resistance of a solenoid with diameteter of wire, radius of cylinder, number of turns, and resistivity
The Power through the solenoid sets the max current you want to run through the coil. Voltage/Current=Resistance.
The radius of a cylinder(r) = √(V / π × h), where V is the volume of a cylinder, h is the height of the cylinder, and π(Pi) is a mathematical constant with an approximate value of 3.14.
The number of turns in a solenoid is equal to its length times the magnetic field strength at its center divided by naught times the current in the solenoid . When it comes to the factors on the left-hand side of this expression, we're given all four of them.
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a spring is suspended vertically. when a 5:8 kgweight is attached to its lower end, it stretches by 8:1 cm. what is its spring constant
The value of the spring constant of the spring is found to be 14034N-m.
The spring that is suspended vertically has a weight 5.8kg attached to it. This weight lower down and stretches the spring to a distance 8.11cm.
Now, we know,
The work done by gravity on the mass = Work done by spring.
So, we can write,
Mgx = 1/2Kx²
Mg = 1/2Kx
Where,
M is the mass,
g is the gravitational acceleration,
K is the spring constant,
x is the distance by which the spring stretches.
5.8 x 9.8 = 0.5 x K x 0.0081
K = 14034 N-m.
So, the value of the spring constant is 14.034 N-m.
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a 0.025 kg bullet is fired from a rifle by a force of 200 n. if the force acts on the bullet for 0.1 sec, what is the final velocity of the bullet?
According to the question if the force acts on the bullet for 0.1 sec the final velocity of the bullet is 800 m/s.
How does science define force?In science, the term "force" has a particular definition. At this point, describing a force as pushing or pulling is quite acceptable. In the notion of a force, there both are living organisms and inanimate objects.
Briefing:F = m x a
Solving for a,
a = F/m
Substituting the known values,
a = (200 N)/(0.025 kg) = 8000 m/s²
The maximum velocity of the bullet is the product of the acceleration and the given time.
v = (8000 m/s²)(0.1 s) = 800 m/s
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what is the electron cloud? explain how electrons move within the cloud, their energy, and what the outermost electrons are called.
The electron cloud is a model used to describe the behavior of electrons in an atom. Electrons move around the nucleus in a wave-like motion with a certain amount of energy and the outermost electrons are called valence electrons.
The electron cloud is an abstract concept used to describe the behavior of electrons in an atom. It is the region of space where the probability of finding an electron is highest. Electrons move around the nucleus in a cloud-like shape and occupy the space around the nucleus, rather than being confined to a specific orbit.
Electrons move around the nucleus in a wave-like motion with a certain amount of energy. This energy is related to the orbit of the electron, as electrons in higher energy levels are further away from the nucleus than those in lower energy levels. Electrons can move from one energy level to another by emitting or absorbing energy in the form of a photon.
These electrons determine how an atom interacts with other atoms and are responsible for chemical bonding. Valence electrons are the most easily removed from the atom and are important in determining the reactivity of an element.
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nasa's space shuttle used to orbit the earth at about 18,000 mph. if it traveled to the next sun-like star at that speed, the trip would take at least:
If it traveled to the next sun-like star at that speed, the trip would take at least is 100 millennia.
4.3 light years is the distance to the nearest star, regardless of type.
Let's round up to 25,280,000,000,000 miles.
We obtain around 140444444 hours by dividing by 18000.
roughly 160 000 years.
To Proxia, then. In the triplet of Centauri, a G-type is located roughly at the same distance.
Tau Ceti, however, is the only G-type star in our solar system, which is what you're looking for. 11 light years.
Give or take 400,000 years is a good estimate.
The rate at which an object moves in relation to a reference point is measured as its speed. It is regarded as a magnitude or scalar quantity and has no direction. The formula: can be used to calculate speed.
Speed equals Distance/Time.
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the acceleration due to gravity on mars is 3.8 m/s2. how much would an object with a mass of 16 kg weigh on mars?
The weight of the object with a mass 16Kg would be approximately 60.8 Newtons on mars.
The weight of an object is a measure of the force of gravity acting on that object. On Earth, the acceleration due to gravity is approximately 9.8 m/s^2, so the weight of an object can be calculated using the formula W = mg, where W is the weight of the object, m is the mass of the object, and g is the acceleration due to gravity.
The mass of an object is a measure of the amount of matter it contains and is typically measured in kilograms (kg). The weight of an object is typically measured in Newtons (N). In this case, we are given the mass of an object (16 kg) and the acceleration due to gravity on Mars (3.8 m/s^2). Using the formula W = mg, we can calculate the weight of the object on Mars to be approximately 60.8 N.
This means that the force of gravity acting on the object on Mars would be 60.8 N. The weight of an object can vary depending on the gravitational acceleration of the planet it is on. For example, an object that weighs 100 N on Earth would weigh approximately 38 N on Mars due to the lower acceleration due to gravity on Mars.
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suppose 100 g of water does 419 j of work on a system. assuming no leakage of energy, what will the resulting change in water temperature be?
The resulting change in water temperature be in order to gain 419 J of energy is 1000 degrees Celsius.
The heat capacity of water is 4.186 J/gC.
Now, it is given that, 100 grams of water is heated and the change in heat of water is 419J.
We are aware that the compound's change in heat is represented by the formula,
Q = MC∆T
The heat or energy gained, and Q
water has a heat capability of C.
T is the overall change in water's temperature.
Setting values in the aforementioned relation appropriately
419 = 0.1 x 4.186 x T
T = 1000 Degrees Celsius.
Therefore, the resulting change in temperature of water is 1000 Degrees Celsius.
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if the children are separated by a distance of 3.0 m, at what distance, in meters, from the pivot point is the smaller child sitting in order to maintain the balance?
The young infant must be seated 1.8 meters away from the pivot point in order to balance the distance.
Permit A to be the firstborn.
A second child should be named B.
the following information:
20.0 kg for A's mass
30.0 kg for B's mass
Distance: 3.00 m
Allow n to represent the distance from the pivot.
Note: The distance between the child and the pivot is equal to
As an example:
clockwise moment equals counterclockwise moment
30(3 - n) = 20n
1.8 meters is equal to 90 - 30n n, or 90/50.
Distance is the overall movement of an object without consideration of direction. Regardless of an object's starting or ending position, distance can be defined as the amount of ground it has covered. Distance is a scalar quantity that describes "how much ground an object has covered" while moving. Displacement is a vector number that describes "how far out of place an object is," and it is the object's overall change in position.
Question :
Two children of mass 20.0 kg and 30.0 kg sit balanced on a seesaw with the pivot point located at the center of the seesaw. If the children are separated by a distance of 3.00 m, at what distance from the pivot point is the small child sitting in order to maintain the balance
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suppose you do 1000 j of work on a 5 kg object, and all the work went into lifting it above the ground. how high above the ground will the object be when all the work has been done? group of answer choices
Answer:
P. E = mgh
when g= 10ms^-1
1000j = 5 × 10 × h
1000j = 50h
h = 1000 ÷ 50
h = 2Om
which of the following is the linear momentum of a moving object? the product of its velocity and its mass the product of its mass times its velocity squared the sum of its mass and its velocity the product of its mass and the distance it has traveled the product of its weight and its speed
The linear momentum of a body is defined as the product of its mass and its velocity.
Every body moving in a straight line has linear momentum whereas a body which is rotating carries angular momentum. It is a dimensional variable with dimension MLT⁻¹
Linear momentum is the product of mass and velocity. A body with larger mass has a larger linear momentum and vice- versa. The fact that we can stop a moving cycle coming in front of us with our hands but not a truck can be accounted to the greater linear momentum of truck due to its greater mass and high velocity.
Linear momentum of a body is a vector quantity. A vector quantity is the one which has both direction and magnitude hence we can say that linear momentum has the same direction as the velocity. Generally, the linear momentum is denoted by letter 'p'. The SI unit of linear momentum is kgm/s.
The formula for linear momentum is p=mv.
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A person scuffing her feet on a wool rug on a dry day accumulates a net charge of - 52 μC .A) How many excess electrons does she get, and by how much does her mass increase? ___NB) Change in mass in in kg?
A person scuffing her feet on a wool rug on a dry day accumulates a net charge of - 52 μC. According to the query, the person is walking barefoot on a dry day under a wool rug.
Since the electron affinity of wool is lower than that of the human body, some electrons will be transported from the wool to the wearer's foot.
His feet had acquired a total of -52 micro coulomb of charge.
We are required to determine the overall surplus of excess electrons. A significant quantity of electronic charge is delivered to the body anytime it receives a negative charge.
Consequently, the total charge=number of electrons 1 electronic charge
i.e q=ne
Here, n is the total number of electrons, while e stands for one electron's charge.
we know that [tex]e=-1.602x10^{-19} coulomb[/tex]
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if in each cycle the refrigerator receives 415 j of heat energy from the reservoir at 270 k , how many joules of heat energy does it deliver to the reservoir at 320 k ?
Heat energy amount 0.99J which refrigerator deliver to the reservoir at 320K.
We know that for refrigerator we need to find the cooling factor. For cooling factor we know that cooling factor is find by the ratio of temperature at different times. Heat energy is released by the refrigerator for making cooling factor as maximum as possible.
Using the formula of cooling factor, we get
=>β = T₂/T₁ -1
where T₂ is temperature after refrigerator lose heat
and T₁ is temperature before lose heat
415=T₂/270 -1
=>415+1 = T₂/270
=>416=T₂/270
=>T₂=416 ˣ 270
=>T₂=112320
Now, we need to find the energy at temperature 320K and at T₂.
So, Heat Energy=1 - 320/112320
=> Heat Energy=(112320-320)/112320
=>Heat Energy=112000/112320
=>Heat Energy=0.99J
Hence, heat energy deliver to the reservoir is 0.99J
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FILL IN THE BLANK. a molecule with square planar geometry but with six electron regions has ______ lone pairs.
There are 2 lone pairs in a molecule with square planar geometry with six electron regions.
What is square planar geometry?The stereochemistry of different molecular compounds is revealed by the Square Planar molecular geometry. This molecule's form is known as square planar when the center atom has four bonds and two lone pairs. The chemical compound xenon tetrafluoride (XeF4) has a square planar structure. Six equally spaced sp3d2 (or d2sp3) hybrid orbitals are placed at 90° angles to form the XeF4 molecule.
The hybrid orbitals have a unique geometry that dates back to their genesis. However, some elements alter the geometry, which in turn changes the molecules' overall shape.
One of the geometries that characterizes a particular atom hybridization is square planar. One core atom is surrounded by bonds to four additional atoms in a planar configuration. This shape produces dsp2 hybridization, which is hybridization.
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A man weighing 800 Newtons is standing in an elevator. If the elevator rises with an acceleration of 0.5 meters per second2, the force exerted by the elevator on the man will be
answer choices
O 400 N
O 800 N
O1200 N
O 1000 N
Acceleration is equal to velocity (meter/sec)/time (sec). Therefore, (meter/sec)/sec = (meter/sec)/sec is the unit of acceleration. 1200N.
How do you determine an elevator's force?If the elevator is stationary or traveling at a constant speed, N = mg. If the elevator accelerates upward, N = mg + ma. If the elevator has a downward acceleration, N = mg - ma. The perceived weight of the person is greater than the actual weight if the elevator is ascending quickly. if the elevator is descending more quickly.
How do you calculate an object's acceleration as it ascends a ramp?Acceleration on a ramp is equal to the product of gravitational acceleration and the height-to-length ratio of the ramp. Acceleration on a ramp is equal to gravity acceleration times the sine of the ramp angle.
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what happens to the sun as it transitions between a main sequence star and a white dwarf?
Simple Answer: The Sun will exhaust the hydrogen fuel in its core and start burning helium.
Explanation:
The sun expands, and it becomes a "Red Giant." During this time, it will engulf the inner planets (Earth, Venus, mercury and mars) After a billion or so years, it would have used all of its remaining helium and would have become have a white dwarf.
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choose all that apply. matter falling into super-massive black holes in the centers of some galaxies is thought to be the source of:
Our neighborhood galactic center's black hollow,, is a supermassive black hollow with a mass of approximately 4 million suns, which in all fairness small for a supermassive black hollow.
NASA's Hubble Space Telescope and different telescopes have decided that many galaxies have supermassive black holes at their centere. Once in the black hollow's occasion horizon, rely could be torn aside into its smallest subatomic additives and sooner or later be squeezed into the singularity.
As the singularity accumulates increasingly rely, the scale of the black hollow's occasion horizon will increase proportionally. Quasars are believed to be powered through accretion of cloth into supermassive black holes withinside the nuclei of remote galaxies, making those luminous variations of the overall elegance of items referred to as lively galaxies.rely falling into super-big black holes withinside the facilities of a few galaxies is idea to be the supply.
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this standing wave can be treated as the superposition of two waves traveling in opposite directions. what is the speed of those waves?
Wave interference describes the process through which one set of waves interacts with another. When waves going in different directions collide, interference can occur. The amplitudes of the two waves are altered as they interact with one another.
As the two waves cancel each other out, the total displacement is the sum of the two separate ones. Any time there are many waves in the same medium, the principle of superposition can be applied to them. When the waves encounter one another, they just travel through without being affected.
Simply adding up the individual wave displacements yields the net displacement of the medium at any given location and instant in time. This holds for both periodic sine waves and short-lived, pulsing waves.
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Heeeeelp I am so confuseeeedd
let's just say there's a planet that has 4 satellites
if our Moon rotates from W to E and revolves from W to E around the earth,
then what is the rotating&revolving motions of these 4 moons??
moon 1: rotates from W to E and revolves the opposite way (like Triton)
moon 2: rotates from W to E and revolves from W to E -- the regular moon
moon 3: rotates the opposite way and revolves from W to E
moon 4: rotates the opposite way and revolves the opposite way -- the exact reversed moon
in my memory, moon 3 is making the retrograde motion and moon 2 is making the prograde motion....but suddenly I got so confused about which moon is making the retrograde motion is it moon 1, 3, or 4??? if you figured it out, tell me also about the other moon's motions then I'll pick you as a brainliest
The Moon and Sun, along with all other celestial objects, appear to travel across the sky from east to west as the Earth spins on its axis from west to east.
What is Directions of Moon and earth?The Moon, however, orbits Earth in the same direction as our planet rotates when seen from above. So the Moon does move through our sky from west to east, albeit so slowly that we hardly ever observe it.
But during a total solar eclipse, we can observe the Moon's actual motion as it moves from west to east across the face of the Sun.
The Moon's shadow follows it as it moves in the same direction and creates a path across the surface of the Earth. Because it is tidally locked to our planet, the Moon always seems the same to us from here on Earth.
Therefore, The Moon and Sun, along with all other celestial objects, appear to travel across the sky from east to west as the Earth spins on its axis from west to east.
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what mass of nacl (mm = 58.5 g/mol) was present in 100 µl of the pbs solution?
There were 585 gm of nacl (mm = 58.5 g/mol) in the 100 µl of PBS solution.
As per the details given in the above question are as bellow,
The details are as follow,
100 µl contained the mass of Nacl (mm=58.5 g/mol).
Nacl=0.1mM [tex]\left(1 \mathrm{mM}=10^{-3} \mathrm{M}\right)[/tex]
Solving further we get,
[tex]& \Rightarrow 0.1 \times 10^{-3} M=0.1 \times 10^{-3} \frac{\mathrm{mol}}{\mathrm{L}}[/tex]
Now taking the volume,
Volume taken = 100 μL. [tex]\quad\left(1_\mu=10^{-6}\right)[/tex]
[tex]& \Rightarrow 100 \times 10^{-6} \mathrm{~L}=10^{-4} \mathrm{~L} \text {. }[/tex]
Molarity into Volume is the definition of a mole.
[tex]=0.1 \times 10^{-3} \frac{\mathrm{mol}}{\mathrm{L}} \times 10^{-4} \mathrm{~L} \\[/tex]
Further we get,
[tex]& =0.1 \times 10^{-7} \mathrm{~mol} \\[/tex]
We get the mole is,
mole =58.5 g/mol
[tex]& \Rightarrow 0.1 \times 10^{-7} \mathrm{~mol}=58.5 \frac{\mathrm{g}}{\mathrm{m}=1} \times 0.1 \times 10^{-7} \mathrm{m.1}[/tex]
Solving further we get,
[tex]& =0.585 \times 10^{-6} \mathrm{gm}=585 \times 10^{-9} \mathrm{gm} .[/tex]
=585gm
Molarity
A solute's concentration in a solution, specifically the quantity of it per unit volume of solution, is measured by its molar concentration, which is a chemical word. The number of moles per litre, denoted by the unit sign mol/L, is the molarity unit that is most frequently used in chemistry.
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a man is pushing a box of mass of 80 kg with a force of 180 n, the box accelerates at 1.80 m/s2. what is the magnitude of friction? brainly
The magnitude of the friction force on the box is 36N.
The force applied by the man to push the box of mass 80kg is 180N.
the acceleration of the block is 1.80m/s².
Now, we know,
Acceleration = Net force/mass
A = F/M
Now, the net force will be applied force minus frictional force.
So, if the frictional force is Fr and the applied force is F, then we can write,
a = F-Fr/M
Putting values,
1.80 = 180-Fr/80
Fr = 36N.
So, the frictional force is 36N in magnitude.
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a 4.0-cm tall object is placed 50.0 cm from a diverging lens having a focal length of magnitude 25.0 cm. what are the nature and location of the image? the image is
A divergent lens with a magnitude 25.0 cm focal length is placed 50.0 cm away from an object that is 4.0 cm tall. 1.3 cm height and 16.7 cm on the same side as the object, a virtual image is created.
Given that the height of object (h) = 4cm
distance of object from diverging lens (u) = -50cm
focal length of diverging lens (f) = -25cm
The expression for the lens equation is 1/f=1/v+1/u
-1/25 = 1/v+1/50
1/v = 1/50-1/25 = -3/50 Then v= -16.7cm
Determine the height of the image.
image height/object height = -v/u
image height/4 = -(-16.7)/50 =
image height = 1.336cm
The negative sign denotes that the picture will be virtual and will be on the same side of the object.
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one scientific theory is that at the time of the creation of the universe, that for every matter particle created, an equal amount of antimatter was created. t or f
The scientific theory which says that at the time of creation of universe an equal amount of matter and antimatter was created is still under research. So, it is not possible to say whether the statement is true or false.
In the early universe, there should have been equal amounts of matter and antimatter created by the Big Bang. In any case, today, all that we see from the tiniest life forms on Earth to the biggest heavenly bodies is made up of matter. So, when comparison is drawn there is not that amount of antimatter. The balance must have been shifted by some event. Finding out what happened to the antimatter or why there is an asymmetry between matter and antimatter is one of the most difficult problems in physics.
Despite having opposite properties like electric charge, antimatter particles have the same mass as their matter counterparts. The opposite of the negatively charged electron, for instance, is the positively charged positron. Particles of matter and antimatter are always made in pairs, and if they come in contact with each other, they explode, leaving behind only energy. Particle-antiparticle came into existence just a fraction of seconds after the big bang. It appears that the universe would only contain energy leftover from the creation and destruction of matter and antimatter together.
However, a very small amount of matter, about one particle per billion, was able to survive. Particle physics experiments have demonstrated over the past few decades that the natural laws do not apply equally to matter and antimatter. Physicists are interested in figuring out the reason. Before they decay, researchers have observed millions of spontaneous transformations between particles and their antiparticles.
By studying the subtle differences in the behavior of matter and antimatter particles produced by high-energy proton collisions at the Large Hadron Collider, physicists may be able to determine the nature of this process. Scientists may gain a better understanding of the reasons for the abundance of matter in our universe by studying this imbalance.
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if the plane is flying horizontally and suddenly pulls upward, in which direction does the nose of the plane tend to move?
a. the nose of plane would veer upward
b. the nose of plane would veer to the left
c. the nose of plane would veer downward
d. the nose of plane would veer to the night
If the plane is flying horizontally and suddenly pulls upward, the nose of the plane tends to move upwards as the tail moves downwards.
A plane (formally an airplane) is a fixed-wing aircraft that is propelled forward by the thrust of a jet engine, propeller, or rocket engine.
All flight controls use the same basic lift principles as wings. When the pilot moves the controls, they produce lift of nose either up or down.
When the pilot pulls on the control column, the elevator moves up. This creates a wing-like curve on the surface that pulls the tail down. By moving the tail down, the nose of the aircraft rises.
When the pilot pushes forward on the controls, the elevator points down. The opposite happens and there is a lift that pulls the tail up. Pulling the tail up causes the nose of the plane to drop down.
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check all that are true statements regarding the anatomy and structure of the sympathetic division.
The statements that are true in regards to the anatomy and structure of the sympathetic division are:
Neuron cell bodies are mainly found in the horns of their spinal cord segments.
The sympathetic trunk ganglia house sympathetic ganglionic neuron cell bodies.
The splanchnic nerves are composed of preganglionic sympathetic axons that did not synapse in a sympathetic trunk ganglion.
The nervous system is a highly complex part of an animal that coordinates its actions and sensory information by sending signals to and from various parts of its body. The nervous system detects environmental changes that affect the body and then collaborates with the endocrine system to respond.
Around 550 to 600 million years ago, wormlike organisms developed nervous tissue. It is divided into two parts in vertebrates: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS is made up of the brain and the spinal cord.
The presence of a special type of cell known as a neuron defines the nervous system at the cellular level. Neurons have unique structures that allow them to send signals to other cells quickly and precisely. They transmit these signals as electrochemical impulses traveling along thin fibers called axons, which can be directly transmitted to neighboring cells via electrical synapses or cause chemicals called neurotransmitters to be released via chemical synapses.
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a flooded engine occurs when a. too much fuel and not enough air reaches the engine. b. the engine stalls after you drive though standing water. c. you overfill the gas tank. d. you drive your vehicle into a canal.
A flooded engine occurs when too much fuel and not enough air reaches the engine. (Option A)
A flooded engine refers to an internal combustion engine that has been fed an excessively rich air-fuel mixture that cannot be ignited. This occurs due to the mixture exceeding the upper explosive limit for the particular fuel. In simple words, a flooded engine simply has too much gas in its cylinders and not enough air, so the spark plugs cannot ignite the fuel-air mix. A flooded engine will not start until the excessively rich mixture has been cleared. The condition also causes an engine to stall from a running state.
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a solenoid of length has turns of wire, and a radius of . what is the self-inductance of the solenoid?
A solenoid of length has turns of wire and a radius of, the self-inductance of the solenoid will be L = (μN²A) / l
The ability of a coil to withstand changes in current within itself is referred to as its self-inductance. An electromagnetic field is produced whenever there is a change in the current that is flowing through a coil. The strength of this field is related to the rate at which the current in the coil is changing.
Therefore, the coil's inductance is
L = (μN^2A) /l
L represents the inductance of the circuit.N represents the total number of turns on the solenoid.A denotes the cross-sectional area of the object.l denotes the overall length of the solenoid.Additionally, for a given current, it won't change because it depends on the current change rather than the current itself.
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