a 2.9-cm-diameter parallel-plate capacitor has a 2.0 mm spacing. the electric field strength inside the capacitor is

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Answer 1

Answer: The electric field strength between the plates is<br /><br />(voltage between the plates) / (0.002) <br /><br />volts per meter.

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Bjorn is holding a tennis ball outside a second floor window (3.5 meters from the ground) and billie jean is holding one outside a third floor window (6.25 meters from the ground) how much more GPE does billie jean's tennis ball have? (each tennis ball has a mass of 0.06 kg)
In your own words, describe the matter found in the universe and the relationship between stars, galaxies, and planets.
Lisa exposes an iron paper clip to a very strong magnet. She is now able to pick up other paper clips using her newly magnetized clip. What happens within the paper clip in order for it to become magnetized?A) The magnet randomizes the domains within the paper clip. B) Part of the strong magnet "rubs" off and joins to the paper clip. C) The strong magnet aligns the magnetic domains within the paper clip. D) The strong magnet creates an electric force filed around the paper clip.
An automobile having a mass of 941 kg is driven into a brick wall in a safety test. The bumper behaves like a spring of constant 2.37 × 106 N/m and compresses 1.61 cm as the car is brought to rest What was the speed of the car before impact, assuming no energy is lost during impact with the wall? Answer in units of
The acceleration of an object increases by the force applied to it and decreases based on it's mass.

A naturally occurring force related to two bodies in motion is _______ force. A. centripetal
B. frictional
C. centrifugal
D. gravitational

Answers

The correct answer for the question that is being presented above is this one: "B. frictional." A naturally occurring force related to two bodies in motion is frictional force. Friction is a type of force which includes two bodies resisting each other. They key point of this frictional force is that the two forces are in the opposite point of direction with each other.

Answer:

frictional

Explanation:

A truck on a straight road starts from rest, accelerating at 2.00 m/s2 until it reaches a speed of 20.0 m/s. Then the truck travels for 20.0 s at constant speed until the brakes are applied, stopping the truck in a uniform manner in an additional 5.00 s. (a) How long is the truck in motion? (b) What is the average velocity of the truck for the motion described?

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You can use the equation
V_xf = V_xi + a_x(t)

V_xf = 20.0m/s
V_xi = 0m/s
ax = 2.0t

Thus, solve for t and get 10secondsand then take 5 seconds to break after 20 seconds of drivingso for

a) 10 + 20 + 5 = 35 seconds

for part b)
You can use the formula
Delta x/Delta t = average velocity

Need to find xf, knowing xi = 0

Thus, use the formula
x_f = x_i + V_xi(t) + (1/2)a_x(t)^(2)
x_f = 0 + 0(10) + (1/2)(2.0)(10)^(2)
x_f = 100m

so for the first 10 seconds the truck traveled 100msAt a speed of 20m/s

20m/s = xm/20s20*20 = x
x = 400

thus we have 100+400 = 500mthen it slows down from 500m to x_f

thus I use the equation
x_f = x_i + (1/2)(V_xf + V_xi)t
x_f = 500 + (1/2)(0 + 20)(5)x_f = 500 + 50
x_f = 550

therefore the total distance traveled is 550m

to calculate average velocity
550/35 = 16m/s

thusV_xavg = 16m/s

Endothermic reactions give off heat as they proceed.
a. True
b. False

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b. False
Endothermic reactions absorb heat.

What is personification?A. human traits attributed to objects
B. vivid language that paints a picture
C. a direct comparison between two things
D. an extreme exaggeration or overstatement

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the answer is A because B is not right. C is incorrect and D well that doesn't makes since in it. the definition is the attribution of human nature or character inanimate, animals, object or abstract notation, especially as a rhetorical figure.

A. Think of it as person-ification. Such as "The flame of the candle DANCED in the dark" Now I don't know about you, but I've never seen a candle or a flame dance before!

Direct current is the flow of an electric charge?

Answers

Direct current is the unidirectional flow of an electric charge.

The term 'unidirectional' in the statement means that direct current only moves in one direction. Direct current usually produced by things such as batteries, dynamos, and power supplies

hope this helps

The picture above shows 3 sets of balloons, all with a particular charge. Which of the picture(s) is true? Explain. Then explain why the other 2 pictures are incorrect. Make sure to explain all 3 sets.

Answers

Among all of the others Picture 3 is correct.

We know, Like charges repel each other whereas unlike charges attract each other, In picture 3 they are like charges (both are positive) so, we can repulsion hence, picture is correct!

In picture 1, they are unlike charges, & showing repulsion which is wrong, same In picture 2, they are like charges & showing attraction so they are wrong as well

Hope this helps!

Other Questions

Which of the following accurately describes the differences between the SI and English systems of measurement? A. The two systems are used interchangeably in the scientific and technical communities. B. The English system is more commonly used in Europe than in the United States. C. The English system is preferred for use in the scientific and technical communities due to its ease of use over the SI system. D. The SI system, which is based on the metric system, has been more widely adopted than the English system, which is harder to use.

The collision of two plates causes the formation of

In the human circulatory system, arteries carry blood away from the heart to different parts of the body. Veins carry blood from different parts of the body back to the heart. A scientist claims that the greater the amount of exercise a person performs, the greater the amount of oxygen (O2) the body uses. He records the oxygen concentration in the blood of people while they are riding an exercise bike. The graphs show the results of this investigation.a. Identify at least two systems within the human body that work together during exercise.b. Explain how the evidence from the data in the graphs supports or does not support the scientist’s claim.

What statement about a wave produced by a doorbell is true?