Question

A 10 kg ball is held above a building with a height of 30 m. What is the

potential energy? *
300j
300 kg
2940j
2940 kg

Answer 1

Answer: 2940 J

Explanation: solution attached:

PE= mgh

Substitute the values:

PE= 10kg x 9.8 m/s² x 30 m

= 2940 J