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3 years ago

Which statement describes what will most likely occur when warm air cools and the temperature drops to the

Physics

2 answers:

Alchen [17]3 years ago

5 0

Answer:

Water Vapor in the air will evaporate

Explanation:

if im wrong please correct me. But i believe that is the right answer.

Mashcka [7]3 years ago

5 0

Answer:

The person who did the comment is correct, it B - Dew will form on leaves

Explanation:

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An electron is released from rest at a distance of 0.570 m from a large insulating sheet of charge that has uniform surface char

Lelu [443]

Explanation:

Formula to calculate the electric field of the sheet is as follows.

E = $\frac{\sigma}{2 \epsilon_{o}}$

And, expression for magnitude of force exerted on the electron is as follows.

F = Eq

So, work done by the force on electron is as follows.

W = Fs

where, s = distance of electron from its initial position

= (0.570 - 0.06) m

= 0.51 m

First, we will calculate the electric field as follows.

E = $\frac{\sigma}{2 \epsilon_{o}}$

= $\frac{4.60 \times 10^{-12}C/m^{2}}{2 \times 8.854 \times 10^{-12}C^{2}/N m^{2}}$

= 0.259 N/C

Now, force will be calculated as follows.

F = Eq

= $0.259 N/C \times 1.6 \times 10^{-19} C$

= $0.415 \times 10^{-19} N$

Now, work done will be as follows.

W = Fs

= $0.415 \times 10^{-19} N \times 0.51 m$

= $2.12 \times 10^{-20} J$

Thus, we can conclude that work done on the electron by the electric field of the sheet is $2.12 \times 10^{-20} J$ .

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4 years ago

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A wave is traveling at a speed of

Digiron [165]

Answer: 5Hz
Explanation: Frequency = Wave speed divided by wavelength.

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3 years ago

A 25 kg box on a horizontal frictionless surface is moving to the right at a speed of 5.0 m s. The box hits and remains attached

seropon [69]

Answer:

Explanation:

Work done by the spring is negative .

Work done by force F creating displacement d is given by the following expression .

Work = F x d

Both force and displacement are vector quantity .

When direction of force and direction of displacement is same , work is positive . When direction of force and direction of displacement is opposite , work is negative .

When spring is compressed , it exerts a restoring or opposing force in a direction opposite to the direction of displacement of box . Hence here force is opposite to displacement . Restoring force acts opposite to displacement . Hence work done by spring on box is negative .

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A ball is accelerating down a hill. Which statement is true?

Andrew [12]

Answer:

The potential energy increases and the kinetic energy decreases

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When you blow across the top of

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Answer:

the new foundation would be

Explanation:

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