Susan asks…Can Somebody Answer These Physics Stuff?PART 1
Determine whether the objects in the following problems have kinetic or potential energy.
Then choose the correct formula to use: Ek=1/2mv (v is squared) or Ep=weight x 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 _________ energy. Calculate it.
2) A baby carriage is sitting at the top of the hill that is 21m high. The carriage with the baby weighs 12N. The
