CP Physics - Energy and work

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

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

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

___________ is the rate at which work is done.

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

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

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

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

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