A 25-kg wagon has a momentum of 300kg m/s. What is it's acceleration?

Heat is the transfer of thermal energy from one object to another because of its difference in A. Specific heat B. Phase C. Temperature D. Waste heat

Object is at rest when object collides with it. The collision is one-dimensional andelastic. After the collision object has half the velocity that object had before thecollision.

Explain why the Earth is not a perfectly round sphere.

Does friction cause mechanical energy to change to thermal energy

A 750g aluminum pan is removed from the stove and plunged into a sink filled with 10.0kg of water at 20.0c. the water temperature quickly rises to 24.0c. what was the initial temperature of the pan

State the molecular theory of magnetism

A 0.50 kg croquet ball is initially at rest on the grass. When theball is struck by a mallet, the average force exerted on it is240 N. If the ball's speed after beingstruck is 3.0 m/s, how long was the malletin contact with the ball?

What is the speed of a 0.145kg baseball if its kinetic energy is 109J?

A student travels from st. louis to indianapolis, a distance of 210 mi, in 7.0 h. the return trip over the same route takes 6.0 h. what is the average speed for

If the velocity of a moving object doubles, then what else doubles?