Answer:
Collinear Force System: When the lines of action of all the forces of a system act along the same line, this force system is called collinear force system. Concurrent Force System: The forces when extended pass through a single point and the point is called point of concurrency.
The atomic number of an element whose atoms have 12 protons and 10 neutrons is
Does the efficiency of a motor depend on mass?
Practically yes
Efficiency=Output/inputSo
If mass is more output may come less so it affects the efficiency practically
But thepritically it doesn't
Answer:
Yes
Explanation:
Formula of motor efficiency
η = Input Load (E₀)/ Output Load(E₁)We know from simple physics that the energy of a body is directly proportional to its mass. Here, in the working of a motor, mass may not be involved directly, but the electrical energy required to provide a function will likely have more efficiency when working with lesser masses.
Why is it important to be careful interpreting absolute ages of clastic sedimentary rocks such as sandstones?
Answer:
You need to be careful when finding the true age of sedimentary rocks to understand its full history.
Explanation:
If the volume of a container increases what
effect will this have on pressure? Why?
As the volume of the container increases the pressure inside will decrease because the atoms have more room to move around in.
Answer:
In a container of the same volume, a greater number of molecules results in greater pressure. Gas pressure increases as container volume decreases.
Hope this helps you!!
Please Mark me Brainleast if am correct!!
Thankyou for joining Brainly Communicty!!How hot must a star get before it becomes a star?
Answer: 10 million degrees
Explanation:
Hope this helps :)
Can you help me I’m struggling?
Describe the electric and magnetic fields of an electromagnetic wave.
The tape timer used in this experiment marks the paper tape with dots at fixed time intervals. How does it do that?.
The ticker tape is pulled through the timer once it's powered, which creates a dot along the length of this paper tape at fixed time intervals.
What is a ticker timer?A ticker timer can be defined as a scientific apparatus that is designed and developed to measure time in seconds. Thus, a ticker timer can be used to measure short intervals of time by making dots on a paper tape at regular (fixed) intervals.
By design, a ticker timer comprises a magnet, carbon paper disk and a ticker tape which is pulled through the timer once it's powered, so as to create a dot along the length of this paper tape at fixed time intervals.
Read more on ticker timer here: https://brainly.com/question/4583195
#SPJ1
Voyager 1 and 2 sent back detailed information about all of the following except:
a.
the characteristics of all outer planets in our solar system
b.
the nature of our cosmic neighborhood at the edge of our galaxy
c.
details about saturn and jupiter
d.
components that make up our asteroid belt between mars and jupiter
Answer:
D
Explanation:
Components that make up our asteroid belt between mars and jupiter
The speed of a 120 meter long train is 54 km per hour. it crosses a bridge in 32 seconds.
1. determine the length of the bridge in kilometer.
2. determine the speed of the train in kilometer per hour to cross the bridge in 24 seconds.
3. determine the length of the train when the speed of the train is 54 km per hour and it cross the bridge in 36 seconds.
1. The length of the bridge is 360 m.
2. The speed of train in km/hr to cross the bridge in 24 s is 72 km/hr.
3. The length of the train when it cross the bridge in 36 seconds is 540 m.
What is speed?
Speed is the ratio of distance traveled and the time taken to cover that distance.
1.
The speed of train m/s is 54 x 5/18 = 15 m/s
The train crosses the bridge in 32 s, distance traveled by train will be
=32 x 15 =480m
The length of the bridge = (480 -120) =360 m
Thus, the length of the bridge is 360 m.
2.
Speed of train in m/s to cross the bridge in 24 s
= 480/24 = 20 m/s
Speed in km/hr =20 x 18/5 = 72 km/hr
Thus, Speed of train in km/hr to cross the bridge in 24 s is 72 km/hr.
3.
Speed of train in m/s =15 m/s
Train crosses the bridge in 36 s, then length of train will be
= 15 x 36m = 540m
Thus, the length of the train when it cross the bridge in 36 seconds is 540 m
Learn more about speed.
https://brainly.com/question/7359669
#SPJ1
how to convert 54km.h to m.s
Answer:
15m/s[tex] \: [/tex]
Explanation:
Before converting , Let's recall this :
1 km = 1000 metres1 hour = 3600 seconds[tex] \: [/tex]
Now, Let's Convert it :
[tex] \\ \longrightarrow \qquad \sf \: 54km / hr \\ [/tex]
[tex]\\ \longrightarrow \qquad \sf \: \frac{54 \times 1km}{1hr} \\ [/tex]
[tex]\\ \longrightarrow \qquad \sf \: \frac{54 \times 1000m}{3600s} \\ [/tex]
[tex]\\ \longrightarrow \qquad \sf \: \frac{54000 m}{3600s} \\ [/tex]
[tex]\\ \longrightarrow \qquad \sf \: \frac{540\cancel{0 }\cancel{0} m}{36 \cancel{0 }\cancel{0}s} \\ [/tex]
[tex]\\ \longrightarrow \qquad \sf \: \frac{540 m}{36s} \\ [/tex]
[tex] \\ \longrightarrow \qquad \frak{\pmb{ 15m /s}} \\ [/tex]
The mass of 1 dozen dimes is 27.22 g. the numerical value of the mass of 5 dozen dimes can be obtained by
Answer:
by obtaining the total mass of the dimes present:
d = 27.22 g / dozen the density of dimes
M = n * d = 5 dozen * 27.22 g / dozen = 126.1 g
Marjorie drops an object from a height of h meters, and it hits the ground with a velocity of v m/s, as given by the function v equals the square root of 19.6 h. If the velocity of the object is 68.6 m/s, what was the height of the object before it was dropped? Round your answer to the nearest tenth.
Answer:
240.1 m
Explanation:
Potential energy ( mgh) is fully converted to Kintetic energy ( 1/2 mv^2)
equate them
mgh = 1/2 mv^2 divide by 'm'
gh = 1/2 v^2
9.8 h = 1/2 v^2
19.6 h = v^2 v = sqrt ( 19.6h) (as given)
68.6 = sqrt (19.6 h) solve for h = 240.1 m
Find the markdown price. Shelly Ward purchased a mountain bike for 35 percent off the regular price of $899. how much is the markdown?
The markdown price for a mountain bike is $584.35
What is markdown price?Markdown price is the discount offered by the shopkeepers to the customers to increase the sales rate.
M.P = S.P (1-r/100)
The following expression can be used every time we have to find the markdown price.
Substitute Selling price S.P =$899 and the percent r =35/100 =0.35, we get
M.P = $899(1-0.35)
M.P =$584.35
Thus, the markdown price is $584.35
Learn more about markdown price.
https://brainly.com/question/15218116
#SPJ1
A 1200 kg car moving at 2.5 m/s is struck in the rear by a 2600 kg truck moving at 6.2 m/s. If the vehicles stick together after the collision, what is their speed immediately after colliding?
Velocity: m/s
Answer: 5.0 m/s
Explanation:i had this question on my test
100 % verified!
Conservation of linear momentum
[tex]\\ \rm\Rrightarrow m1v1+m2v2=(m1+M2)v3[/tex]
[tex]\\ \rm\Rrightarrow 1200(2.5)+2600(6.2)=(1200+2600)V3[/tex]
[tex]\\ \rm\Rrightarrow 3000+16120=3800v3[/tex]
[tex]\\ \rm\Rrightarrow 19120=3800v3[/tex]
[tex]\\ \rm\Rrightarrow V3=5m/s[/tex](Approx)
A nuclear power plant is built alongside a river. what measurements should a monitoring station downstream record to be sure that the proper procedures are being followed at the power plant? density and radiation levels radiation levels and dust levels salt concentration and temperature temperature and radiation levels
Nuclear power plant should have monitoring units and water purifiers units, so thet they followed propress in the plant.
What is nuclear power plant?
Nuclear power plant is a structure that allows the generation of energy from the fission of toxic materials. It is usually due to the risk of accidents. Nuclear energy is very important for the generation of electricity in many countries.
Hence, water purifiers units should be used in the downstream to measure to protect river should be taken.
See more about nuclear power plants at brainly.com/question/385512
#SPJ4
Answer:
temperature and radiation levels
Explanation:
edge
Can someone please answer this, ill give you brainliest Would be very appreciated.
Answer:
O ice
Explanation:
Albedo refers to the proportion of the incident light that is reflected by a surface to the amount of incoming light.
Here, only ice will reflect even some amount of light. Pavement and dirt do not reflect at all, meanwhile, where glass reflects slightly.
A student measured the length of a wire four times using a meter rule and obtained the following readings: 18.6cm, 18.5cm 18.6cm and 18.5cm. Determine the length the student should record.
The length the student should record as correct is 18.55 centimeters (cm) because it is the average value.
What is the average value?The average value is a number associated with the middle amount for a given number of measured samples.
In this case, the median value results less useful to describe a set of data when compared to the average.
In conclusion, the length the student should record as correct is 18.55 centimeters (cm) because it is the average value.
Learn more about average value here:
https://brainly.com/question/8225695
#SPJ1
Explain how the wave behave as the Frequency changes using the characteristic described in
Let's find the relationship
[tex]\\ \rm\Rrightarrow E=h\nu[/tex]
[tex]\\ \rm\Rrightarrow \lambda=\dfrac{c}{\nu}[/tex]
So if frequency increases Energy of the wave increases and wavelength decreases and vice-versaA monochromatic beam of light is absorbed by a collection of ground-state hydrogen atoms in such a way that three different wavelengths are observed when the hydrogen relaxes back to the ground state.
Answer:
If the absorbed beam is monochromatic (one wavelength) then it excites the H atom to some state n.
When that state decays, some of the atoms may decay to state 1, others to state 2, and still others to state 3
The net energy emitted in such a case would depend on:
n -1, n - 2, n - 3 which would produce 3 different wavelengths
A 0.400-kg block of iron is heated from 295 oK to 325 oK. How much heat had to transfered to the iron?
The quantity of heat that was transferred to the block of iron is 5544 J or 5.544 kJ
Quantity of HeatFrom the question, we are to determine how much heat was transferred to the block of iron
Using the formula,
Q = mcΔT
Where Q is the quantity of heat
m is the mass
c is the specific heat capacity of the substance
and ΔT is the change in temperature
From the given information,
m = 0.400 kg
ΔT = 325 - 295 = 30 K
Putting the parameters into the equation, we get
Q = 0.400 × 462 × 30
(NOTE: Specific heat capacity of iron = 462 J/kg.K)
∴ Q = 5544 J
Hence, the quantity of heat that was transferred to the block of iron is 5544 J or 5.544 kJ
Learn more on Calculating quantity of heat here: https://brainly.com/question/13439286
#SPJ1
the earth had a mass of 6,000,000,000,000,000,000,000,000 kg. and a radius of 6,371,000 m, what will be the gravitational force experienced by a puppy with a mass of 4.6 kg playing on the earth sur face
Answer:
Mass of Earth (M1) = 6×10^24 kg
Mass of Puppy (M2) = 3.6 kg
Radius (R) = 6371000 m
Universal Gravitational Constant (G) = 6.67 × 10^11
Now,
Gravitational Force = G×M1×M2 / R^2
GF = 6.67 × 10^11 × 6 × 10^24 × 3.6 / (6371000)^2
GF = 144.072 × 10^35 / 40,589,641,000,000
GF = 3549.477 × 10^20
A length of wire is cut into 3 equal pieces. if each piece has a resistance of 0.20 , what is the resistance of the original length of wire?
Answer:
0.6
Explanation:
the original wire is three times the length there fore the longer the wire the more resistance
therefore the resistance of the original wire is 3 times greater making it 0.6
The diagram shows different body planes.
X: frontal; Y: sagittal; Z: transverse
X: sagittal; Y: frontal; Z: transverse
X: transverse; Y: sagittal; Z: frontal
X: frontal; Y: transverse; Z: sagittal
The diagram shows different body planes. X shows sagittal,Y shows frontal and Z shows transverse axis. Option B is correct.
What is frame of reference?A frame of reference is a mathematical and physical coordinate system whose origin, direction, and scale are given by a collection of reference points.
1. Frontal Plane divides the body into front and posterior sections.
2. The Sagittal Plane divides the body into left and right halves.
3. The transverse plane divides the body into superior and inferior halves.
The diagram shows different body planes. X shows sagittal,Y shows frontal and Z shows transverse axis.
Hence,option B is correct.
To learn more about the frame of reference refer to the link;
https://brainly.com/question/12222532
#SPJ1
Why do you think there are so many more autotrophs than consumers on Earth?
Helppp
There are many Autotrophs than consumers because : Autotrophs are the bases of any food chain/web
Function of AutotrophsAutotrophs capture the energy required for every food chain or web from which sustains other organisms in the food chain form sunlight and chemicals. Also there is always more biomass present in the lower levels of the trophic system as biomass decreases as we move up the food chain.
Since autotrophs are producers, for a healthy food chain there would be more autotrophs than consumers.
Hence we can conclude that There are many Autotrophs than consumers because : Autotrophs are the bases of any food chain/web
Learn more about Autotrophs : https://brainly.com/question/10253663
#SPJ1
Why do we feel the force of gravity from the Earth but we don’t feel the force of gravity from the moon?
Answer:
The gravitational force on the moon is less than on Earth because the strength of gravity is determined by an object's mass. The bigger the object, the bigger the gravitational force. Gravity is pretty much everywhere. We just feel it in different ways depending on our state of motion.
Explanation:
Hope this helped!!
Calculate the molar mass of sucrose:
Answer:
342 g/mole
Explanation:
Mass of the carbon = 12 g
Mass of the hydrogen = 1 g
Mass of the oxygen = 16 g
Given: Chemical Formula of the Sucrose = C12H22O11
Molar mass = 12 x 12 + 1 x 22 + 16 x 11
= 144 + 22 + 176
= 320 + 22
= 342 g/mole ➪ molar mass of the sucrose
342 g.
Explanation:
C12H22O11 ------> SugarCarbon has mass -> 12
Hydrogen has mass -> 1
Oxygen has mass -> 16
=> (12× 12 ) + (1 ×22 ) + ( 16 × 11 )
=> 144 + 22 + 176
=> 342 gram
__________________Molecular mass : The Molecular mass of a substance is the sum of the atomic masses of all atoms in a molecule of a substance, e.g ., Molecular mass of water is 18u.H2O = 2 × H + 1 × O=> 2 × 1 + 1 ×16 = 2+16= 18 u. Mass of one mole of a substance is called its molar mass. ___________________what is a Molecule?
A Molecule is the smallest Particle of an element or a compound capable of independent existence under ordinary conditions. It shows all the properties of tge substance.Describe the electric and magnetic fields of an electromagnetic wave.
Answer:The electric field and magnetic field of an electromagnetic wave are perpendicular (at right angles) to each other. They are also perpendicular to the direction of the EM wave. EM waves travel with a constant velocity of 3.00 x 108 ms-1 in vacuum.
Explanation:
How much force is required to accelerate a 12kg mass at 10m/s/s
Answer:
100N
Explanation:
A newly developed military robot has a sense of self-preservation and can also make decisions for itself in warfare. what form of ai is this?
the robot exhibits signs of
ai, which is a sub-form of
ai
The type of artificial intelligence used in the area of military operations is deep learning artificial intelligience.
What is artificial intelligence?
The term artificial intelligence has to do with the simulation of the decision making ability of the brain in machines.
This has also been experimented in the area of military operations. This type of artificial intelligence is called deep learning artificial intelligience.
Learn more about artificial intelligence:https://brainly.com/question/23824028
#SPJ1