During which type of collision is none of the energy converted to heat

Two charges, Q1 and Q2, are separated by 6·cm. The repulsive force between them is 25·N. In each case below, find the force between them if the original situation is changed as described. (a) The magnitude of charge Q1 is reduced to Q1/5.

Why does earth rotates about it's axis?

How does the change in the sa/v ratio compare with the change in distance from the center of the cell to the nearest face?

Bailey is on the tenth frame of her recent bowling competition and she needs to pick up the last pin for a spare and the first place trophy. She rolls the 7.05-kg ball down the lane and it hits the 1.53-kg pin head on. the ball was moving at 8.

Inertia is the resistance of an object to a change in its ... A. Gravity B. Motion C. Mass D. Balanced Force

The two main parts of a wave are the a. swell and whitecap. c. crest and trough. b. wavelength and wave height. d. rise and dip.

A block of mass m=16.8 kg is sliding on a surface with initial velocity v=23.2 m/s. The block has a coefficient of kinetic friction μk = 0.426 with respect to the surface and is being pushed by a force of magnitude F=86.

Two children are pulling and pushing a 30.0 kg sled. The child pulling the sled is exerting a force of 12.0 N at a 45o angle. The child pushing the sled is exerting a horizontal a force of 8.00 N. There is a force of friction of 5.00 N.

Describe what a planetesimal is. Is it related to a protoplanet?

Describe the medium that electromagnetic waves use to travel