Answer:
data storage, OLEDS, and wires
Explanation:
Nanotechnology is currently used in electronics for data storage, OLEDs, and wires. Option C is correct.
What is nanotechnology?Nanotechnology is the near-atomic manipulation of matter to create new structures, materials, and gadgets.
The technique offers scientific improvement in a variety of fields, including medical, consumer goods, energy, materials, and manufacturing.
Nanotechnology is currently used in electronics for data storage, OLEDs, and wires.
Hence, option C is correct.
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HELP!!!!!!!!!
A toy car has a motor capable of moving the car at 10m/s up a 35 degree ramp. If the motor exerts a force of 500N to the car, what is the power rating of the motor in kW?
Answer:
4.096 kW
Explanation:
Applying,
P = Fvcos∅................. Equation 1
Where P = Power of the motor, F = Force exerted on the motor, v = Velocity, ∅ = angle.
From the question,
Given: F = 500 N, v = 10 m/s, ∅ = 35°
Substitute these values into equation 1
P = 500×10×cos35°
P = 4095.8 W
P = 4.096 kW
Hence the power rating of the moto in kW is 4.096 kW
A vehicle is travelling with uniform velocity along a straight, level stretch of highway. The combined force due to the rolling friction and air resistance is - 5000 N. What is the applied force on the vehicle as it moves?
Answer:
The applied force on the vehicle is 5,000 N
Explanation:
From the question, we have the following parameters of the motion of the vehicle;
The form of the velocity with which the vehicle is travelling = Uniform velocity
The direction of motion of the vehicle = Along a straight and level stretch of the highway
The combined force which acts as resistance to the vehicle's motion = 5,000 N from rolling friction and resistance of the air opposite to the direction of motion
A vehicle travelling with uniform velocity has zero acceleration, therefore;
The acceleration of the vehicle, a = 0 m/s²
According to Newton's Second Law of Motion, we have;
Force, F = Mass, m × Acceleration, a
∴ The net force of acting on the vehicle, F = m × a
Where;
m = The mass of the vehicle
a = The acceleration of the vehicle = 0 m/s²
∴ F = m × 0 = 0
The net force on the vehicle = 0, therefore;
The applied force + The force of rolling friction and air resistance = 0
We therefore have;
The applied force + 5,000 N = 0
∴ The applied force = 0 - 5,000 N = -5,000 N
The applied force, F = 5,000 N in the direction of motion.
Tidal energy is alternative source of energy. give reason
Answer:
Tidal energy is alternative source of energy because the energy it produces is free and clean as no fuel is needed and no waste bi-products are produced. It has the potential to produce a great deal of free and green energy.
An 16 m tall vase is located 50 m in front of a lens. An image is produced
20 m away from the lens. What is the focal length?
Answer:
f = 14.28 m
Explanation:
Given that,
Object distance, u = -50 m
The image distance from the lens, v = +20 m
We need to find the focal length of the lens. Let the focal length is f. Using the lens formula,
[tex]\dfrac{1}{v}-\dfrac{1}{u}=\dfrac{1}{f}[/tex]
Put all the values,
[tex]\dfrac{1}{20}-\dfrac{1}{(-50)}=\dfrac{1}{f}\\\\f=14.28\ m[/tex]
So, the focal length of the lens is equal to 14.28 m.
what do you mean by exercise
Answer:
exercise mean any bodily activity that enhances or maintains physical fitness and overall health and wellness.
I hope it will help you
The table below shows the speed of sound waves from musical sound sources at 20°C. Which conclusion can be made based on the information in the table? Wave speed and wavelengths can vary inversely to produce the same frequency. Frequency and wave speed can vary directly to produce the same wavelength. Wavelengths and frequency can vary inversely to produce the same wave speed. Frequency and wavelengths can vary directly to produce the same wave speed. Mark this and return
Answer:
c
Explanation:
Answer:
C
Explanation:
Took it on edg
Give three examples of how biotechnology affects our everyday lives.
Write and complete sentences
Site your sources
Answer: But what about beer-brewing, crop breeding, and the antibiotic penicillin? These processes and products – some of which have been around for thousands of years – are also examples of biotechnology.
Explanation:
Specifically, industrial biotechnology uses enzymes and micro-organisms to make bio-based products in sectors such as chemicals, food ingredients, detergents, paper, textiles and biofuels. ... Since that time, industrial biotechnology has produced enzymes for use in our daily lives and for the manufacturing sector.
A building is 512 m high. What must be the minimum water pressure in a pipe at ground level in order to get water up to a restaurant on the top floor? [3] (Density of water = 1000 kgm-3)
Answer:
The minimum pressure required to get water up to a restaurant on the top floor is 5.0176 x 10⁶ N/m²
Explanation:
Given;
height of the building, h = 512 m
density of water, ρ = 1000 kg/m³
The minimum pressure required to get water up to a restaurant on the top floor is calculated as follows;
P = ρgh
where;
P is the required minimum pressure
g is acceleration due to gravity = 9.8 m/s²
P = 1000 x 9.8 x 512
P = 5.0176 x 10⁶ N/m²
Therefore, the minimum pressure required to get water up to a restaurant on the top floor is 5.0176 x 10⁶ N/m²
Two point charges of +20.0 μC and -8.00 μC are separated by a distance of 20.0 cm. What is the intensity of electric field E midway between these two charges?
Answer:
The intensity of the net electric field will:
[tex]E_{net}=E_{1}+E_{2}=2.52*10^{7}\: N/C[/tex]
Explanation:
Here we need first find the electric field due to the first charge at the midway point.
The electric field equation is given by:
[tex]|E_{1}|=k\frac{q_{1}}{d^{2}}[/tex]
Where:
k is Coulomb's constantq(1) is 20.00 μC or 20*10⁻⁶ Cd is the distance from q1 to the midpoint (d=10.0 cm)So, we will have:
[tex]|E_{1}|=(9*10^{9})\frac{20*10^{-6}}{0.1^{2}}[/tex]
[tex]|E_{1}|=1.8*10^{7}\: N/C[/tex]
The direction of E1 is to the right of the midpoint.
Now, the second electric field is:
[tex]|E_{2}|=k\frac{q_{2}}{d^{2}}[/tex]
[tex]|E_{2}|=(9*10^{9})\frac{8*10^{-6}}{0.1^{2}}[/tex]
[tex]|E_{2}|=7.2*10^{6}\: N/C[/tex]
The direction of E2 is to the right of the midpoint because the second charge is negative.
Finally, the intensity of the net electric field will:
[tex]E_{net}=E_{1}+E_{2}=2.52*10^{7}\: N/C[/tex]
I hope it helps you!
The net electric field midway between these two charges is 2.52 x 10⁷ N/C.
Electric field strengthThe electric field strength between two point charges is the force per unit charge.
Electric field strength due to +20.0 μC charge
[tex]E _1 = \frac{kq_1}{r^2} \\\\E_ 1 = \frac{9 \times 10^9 \times 20 \times 10^{-6}}{(0.1)^2} \\\\E _1 = 18 \times 10^6 \ N/C[/tex]
Electric field strength due to -8μC charge
[tex]E _2 = \frac{kq_2}{r^2} \\\\E_ 2 = \frac{9 \times 10^9 \times 8 \times 10^{-6}}{(0.1)^2} \\\\E _2 = 7.2 \times 10^6 \ N/C[/tex]
The net electric field midway between these two charges is calculated as follows;
[tex]E_{net} = 18 \times 10^6 \ + \ 7.2 \times 10^6\\\\E_{net} = 25.2 \times 10^6 \ N/C\\\\E_{net} = 2.52 \times 10^7 \ N/C[/tex]
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What could it be.... (science)
Answer:
eeeeeeeeeeeeeeeeeeeeeeeeeee
A 90-meter train travels at a constant speed of 10 meters per second. How long will it take to cross a 0.06 bridge?
Answer:
The time taken for the train to cross the bridge is 9.01 s
Explanation:
Given;
length of the train, L₁ = 90 m
length of the bridge, L₂ = 0.06 m
speed of the train, v = 10 m/s
Total distance to be traveled, = L₁ + L₂
= 90 m + 0.06 m
= 90.06 m
Time of motion = Distance / speed
Time of motion = 90.06 / 10
Time of motion = 9.006 s ≅ 9.01 s
Therefore, the time taken for the train to cross the bridge is 9.01 s
An electric pencil sharpener is powered by 6 volts. The current through the pencil sharpener is 0.5 amps. What's is the resistance?
Answer:
Resistance in pencil sharpener = 12 ohms
Explanation:
Given:
Voltage in pencil sharpener = 6 volts
Current in pencil sharpener = 0.5 amps
Find:
Resistance in pencil sharpener
Computation:
Resistance = Voltage / Current
Resistance in pencil sharpener = Voltage in pencil sharpener / Current in pencil sharpener
Resistance in pencil sharpener = 6 / 0.5
Resistance in pencil sharpener = 12 ohms
If a person has the genotype Rr for hair where red is dominant to blue, what phenotype would this person have?
the person's phenotype would be red hair. phenotype is what you see on the outside, genotype is what the dna says. <3
The Drake Equation The Drake Equation Provides an estimate of how many planets there are in the Solar System that may harbor technically communicative life-forms. Provides an estimate of how many planets there are in our galaxy that may harbor technically communicative life-forms. Provides an estimate of how many planets there are in our galaxy that may harbor life-forms of any kind, no matter how primitive they may be. Provides an estimate of how many planets there are in the Universe that may harbor technically communicative life-forms.
Answer:
Provides an estimate of how many planets there are in our galaxy that may harbor technically communicative life-forms.
Explanation:
A planet can be defined as a large celestial body having sufficient mass to allow for self-gravity and make it assume a nearly circular shape (hydrostatic equilibrium), revolves in an orbit around the Sun in the solar system and has a cleared neighborhood.
Basically, the planets are divided into two (2) main categories and these includes;
I. Outer planets: these planets are beyond the asteroid belt and comprises of jupiter, saturn, uranus and neptune, from left to right of the solar system.
II. Inner planets: these planets are the closest to the sun and comprises of mercury, venus, earth and mars.
These outer planets are made mostly of gases (hydrogen and helium) causing them to be less dense than the solid inner planets. These gases are generally known to be less dense in terms of physical properties.
Some examples of the planet are Mars, Venus, Earth, Mercury, Neptune, Jupiter, Saturn, Uranus, etc.
The Drake equation provides an estimate of how many planets there are in our galaxy that may harbor technically communicative life-forms. It is a probabilistic mathematical expression.
Answer:
The correct answer would be:
B.
the number of communicating civilizations in the cosmos
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Have a nice day!
An element in a similar period to carbon would be
A chlorine
B. hydrogen
C. fluorine
D. magnesium
Answer: C: Fluorine
Explanation:
Carbon is in period two on the periodic table of elements. The only other elements in this period are lithium, borilliym, boron, nitrogen, oxygen, flourine, and neon. Therefore, the answer must be C.
When we sit on a chair and study for 2-3 hours, we are not doing work from a physicists point of view. Why?
In the context of physics, work is defined to be the movement of an object when you apply a (pushing or pulling) force.
If you lifted a box to move it upward, then you are doing work. If you slide that box along the floor, then you are also doing work. However, if you try to lift something very heavy, but cannot move it at all, then 0 work is being applied. This is because the object hasn't moved. You need displacement to have work happen.
So that's why a physicist would not consider studying doing "work" (in the context of physics), though I'm sure they would be able to agree that studying does exercise the mind.
Iqbal has push a lighter box and seema has to push a similar heavier box on the same floor . Who will have to apply a larger force and why ?
Answer: Seema
Explanation:
When an object is on the floor, there is a force of friction acting on it. This force is higher if the object is heavier because the object would be pushing against the floor with more force.
To push such an object, one would have to apply enough force to break the friction holding the object to the floor and so with heavier objects, more force is needed to push the object because there is more friction acting on it.
please help I found this confusing
Answer:
A
Explanation:
brainliest
Answer: A
Explanation:
Help me please!
What is the velocity of a 0.1 kg baseball whose momentum is 100?
Answer:
1000m/s
Explanation:
velocity(v)=momentum(p)/mass
=100/.1
=1000m/s
Which scenario BEST describes an action-reaction pair? *
O A. A person pushes a cart and it rolls forward.
O B. A skateboarder pushes against the ground so she can move forward.
O C. An acrobat jumps on a trampoline and the trampoline moves downwards.
Both A and C
Answer:
C. An acrobat jumps on a trampoline and the trampoline moves downwards.
Both A and C
[tex] - trixiejane[/tex]
Calculate the distance between a 3.0 x 10^-5 charge and a 2.0 x 10^-6 2 points
C charge if the force between them is 1000 N.
Answer:
thanks for answer:)
Explanation:
A force of 200N acts between two objects at a certain distance apart .the value of the force when the distance is halved is?
Answer:
800N is the answer
Explanation:
hope it helps
The force between the objects is 200 N and when the distance between the objects is halved then the force between them will be equal to 800 N.
What is Force?A force in physics is an input that has the power to change an object's motion. A mass-containing object's velocity can vary, or accelerate, as a result of a force. Intuitively, a push or a pull can also be used to describe forces.
Being such a vector quantity, a force does have magnitude and direction. The SI unit metric newton is used to measure it (N). The letter F stands for force.
According to Newton's second law's original formulation, an object's net force is equal to the speed that its momentum is changing over time.
As per the given information in the question,
Force, F = 200 N
F1 = G × m₁m₂/ r²
The final force F' = G × m₁m₂/ (r/2)²
= 4G × m₁m₂/ r²
= 4F
So, when the distance between objects is halved, then the force between them increases to 4 times.
So, the force will be,
4F = 4 × 200
= 800 N.
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The Grand Canyon is more than 400 km long and in some places almost 2 km deep. Which model best represents the main process that formed the Grand Canyon?
Answer: Diagram A
Explanation:
The Grand Canyon was created by the constant flow of the Colorado river which physically broke down the rock for billions of years. It then carried off the rock as it flowed and as it kept doing this, the canyon kept getting deeper and deeper.
This is what is described in the first diagram. The water from the faucet is carrying the soil along with it much like the Colorado did to the rocks of the Grand Canyon.
explica de que tipo es cada oración según la actitud del hablante
Answer:
Según la actitud del hablante las oraciones se clasifican en enunciativas, interrogativas, etc. ... adverbios o expresiones que complementan a toda la oración (COr): ojalá, quizá.
Explanation:
Can someone pls help me is for my study guide final?
Answer:
displacement means moving something or the occupation by a submerged body part or part of the body
need asap!
if the voltage across a 12 ohm resistor is 4.0 volts. the current through the resistor is?
a. 0.33 A.
b. 3.0 A.
c. 48 A.
d. 4.0 A.
Answer:
3.0 A Is the correct option
Explanation:
I = V / R
I = 12/ 4
= 3
A dog is running in a circle around a tree, trying to catch a rabbit. The dog's owner notices the
dog completes 4 laps around the tree in 32 seconds and the radius of the dog's circular path is
3 meters. What is the tangential velocity of the dog?
Answer: 2.35 m/s
Explanation:
Given
Dog completes 4 laps around the tree in 32 seconds
Radius of the circular path is 3 m
Time period for single lap is [tex]\frac{32}{4}=8\ s[/tex]
Length of the track is equivalent to the perimeter of the path
[tex]\Rightarrow L=2\pi r\\\Rightarrow L=2\pi \times 3\\\Rightarrow L=6\pi\ m[/tex]
Tangential velocity is given by
[tex]\Rightarrow v_t=\dfrac{L}{t}\\\\\Rightarrow v_t=\dfrac{6\pi}{8}\\\\\Rightarrow v_t=2.35\ m/s[/tex]
Thus, the tangential velocity is 2.35 m/s
A mother has the genotype Bb for brother green eyes, the months did heterozygous hair, what is the genotype of the father ?
Assuming brown hair (B) color is completely dominant over blond hair (b), then the father's genotype must be bb.
A radioactive nucleus contains 128 nucleons. It emits a B-particle.
How many nucleons are now in the nucleus?
A
124
B 127
C 128
-D 129
Question 2 (5 points)
What is the frequency of a sound wave travelling through air at a speed of 340m/s with a wavelength of
1.71m?
Answer:
Frequency of sound wave = 198.83 hertz (Approx.)
Explanation:
Given:
Velocity of sound wave in air = 340 m/s
Wavelength = 1.71 meter
Find:
Frequency of sound wave
Computation:
Frequency = Velocity / Wavelength
Frequency of sound wave = Velocity of sound wave in air / Wavelength
Frequency of sound wave = 340 / 1.71
Frequency of sound wave = 198.8304
Frequency of sound wave = 198.83 hertz (Approx.)