CP Physics - Energy and Momentum Review

You move a 10 kg block 5 m at constant speed using 20 N of force, the work done by friction is 

If the compression of a spring is doubled, the elastic PE is multiplied by

You move a 10 kg block 5 m at constant speed using 20 N of force, the work done by gravity is

___________ is the rate at which work is done.

Airbags are in cars because they reduce the _________ during a collision.

Energy is conserved when there are no _____________ acting

If the speed of an object is doubled, the gravitational PE is multiplied by

Momentum is conserved when there are no _____________ acting

To do negative work the force must be opposite the _____________.

If the time it takes to do a certain amount of work is doubled, the power is multiplied by

You move a 10 kg block 5 m at constant speed using 20 N of force, work done by the Normal force

If the speed of an object is doubled, the kinetic energy is multiplied by

You move a 10 kg suitcase 5 m at constant speed using 20 N of force, how much work do you do?

A ball is dropped from a 10 m tall building, how fast is it going when it hits the ground?

If the height of an object is doubled, the gravitational PE is multiplied by

A block at rest explodes into two parts of equal mass. One part moves right at 5 m/s, the other

If the height of an object is doubled, the KE is multiplied by

A car mass m moving at 10 m/s, hits a stationary car mass m & sticks to it. The new speed is