3. At what height is an object that has a mass of 56 kg if its gravitational poten- tial energy is 9800 J?


3. PE= (m) (g) (h)

PE= 56kg × 9.8 m/s²

PE= 548.8 kg

PE= 9,800 Joule ÷ 548.8 kg

PE= 17 m

Ans: 17 m