Two carts with different masses on a friction-less track collide head on. Which cart (the heavier cart or the lighter cart) experiences the greater change in velocity? Explain using the concept of momemtum.

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.

The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot