1. You serve a volleyball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30 m/s. The ball has ______________________ energy. Calculate it.
2. A baby carriage is sitting at the top of a hill that is 21 m high. The carriage with the baby weighs 12 N. The carriage has ____________ energy. Calculate it.
3. A car is traveling with a velocity of 40 m/s and has a mass of 1120 kg. The car has ___________energy. Calculate it.
4. A cinder block is sitting on a platform 20 m high. It weighs 79 N. The block has _____________ energy. Calculate it.
5. There is a bell at the top of a tower that is 45 m high. The bell weighs 190 N. The bell has ____________ energy. Calculate it.
6. A roller coaster is at the top of a 72 m hill and weighs 966 N. The coaster (at this moment) has ____________ energy. Calculate it.
7. What is the kinetic energy of a 3-kilogram ball that is rolling at 2 meters per second?
8. Object were lifted by a machine. One object had a mass of 2 kilograms if the Kinetic energy of the object was 1600 J. What was the velocity?
9. Determine the kinetic energy of a 1000-kg roller coaster car that is moving with a speed of 20.0 m/s.
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