The unit of potential is the?

If you were to drop a rock from a tall building, assuming that it had not yet hit the ground, and neglecting air resistance, how far would it have fallen (in m) after 2 s? (g = 10 m/s2) 20.0

small car has a head-on collision with a large truck. Which of the following statements concerning the magnitude of the average force due to the collision is correct? A small car has a head-on collision with a large truck.

Protons are released from rest in a Van de Graaff accelerator. They start from a region where the potential is 7.15 MV then travel through a vacuum region to a region where the potential is zero.

What are quarks? mention its properties

What is the percentage of the incoming solar radiation from the top of the atmosphere the gets reflected right back out into space (both from the atmosphere and the surface of Earth)

The planet most like the earth in size and gravitation is: Mars Jupiter Venus Pluto

A spider twirls a fruit fly around in a circle with radius 17.6 cm at the end of a web. If the velocity of the fly is 110 cm/s, what is the centripetal acceleration of the fly? m/s2.

Which force acts as an object to move it from rest or a constant straight line motion

Structure and Function of kidney

What happens if you double the number of batteries used in a circuit? (Assume all of the batteries A. The current doubles only. o B. The voltage doubles only. C. The current decreases. D The voltage decreases. 0 E. The voltage and current doubles.