1. You throw a ball with a mass of 2kg. The ball leaves your hand at 32m/s. The ball has energy. Calculate it.
2. A woman with a mass of 64 kg climbs a set of stairs that are 3 meters high, How much gravitational potential energy does she gain as a result of the climb?
3. A 5 kg object fall from a cliff that is 9 meters long. Find its energy.
4. A 1200 kg car has a velocity of 18m/s. What is the car KE?