Q1. Mercedes, an astrononaut on the moon, holds a 2.5 kg bowling ball over her head 3.2 m above the surface of the moon, what is the potential energy of the bowling ball?
Q2. Addi wants to know how tall a cliff is, so she drops a ball with a mass of 2kg that falling at 20 m/s off a cliff. What is the height of the cliff? Think conservation of energy - PE is fully converted to KE.