Key

KE And GPE Worksheet

After Eastern Lebanon County School District external arrow

Determine whether the objects in the following problems have KE or GPE. Choose the correct formula to find the answer:
KE = ½ m v2     OR     GPE = G m h     OR     GPE = (weight) (height)

  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 ____ Joules of _______ energy.
  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 ____ Joules of _______ energy.
  3. A car is traveling with a velocity of 40 m/s and has a mass of 1120 kg.
    The car has ____ Joules of _______ energy.
  4. A cinder block is sitting on a platform 20 m high. It weighs 79 N.
    The block has ____ Joules of _______ energy.
  5. There is a bell at the top of a tower that is 45 m high. The bell weighs 190 N.
    The bell has ____ Joules of _______ energy.
  6. A roller coaster is at the top of a 72 m hill and weighs 966 N.
    The coaster (at this moment) has ____ Joules of _______ energy.