1.What is the kinetic energy of a 394kg car moving at 15 m/s? 2.A truck has a kinetic energy of 150 000J and a mass of 95kg. What is the truck’s velocity?

3.What is the gravitational potential energy of a box with a weight of 645 000 N at a height of 36m?

4.A 16kg wagon moving at 23m/s. What is the kinetic energy?

5.If a 5kg cinder block was on a 65m ledge, would its gravitational potential energy be? 

6.If a 0.14 kg baseball has a kinetic energy of 58 000J, what would its velocity be?

7.If a 0.02 kg bullet is moving at 106m/s, what would be the kinetic energy?

8.What is a motorcycle’s velocity if it has a kinetic energy of 835 000 J and a mass of 76kg?

9.At what height would a 40kg person need to be to have 350 000J of gravitational potential energy?​