What is the potential energy of a 25 kg bicycle resting at the top of a hill 3 m high? (Formula: PE = mgh)
Answer
A
75 J
B
735 J
C
245 J
D
37.8 J
Explanation
Use PE = mgh, with mass 25 kg, gravitational acceleration 9.8 m/s², and height 3 m. PE = 25 × 9.8 × 3 = 735 J, so the potential energy is 735 J (choice B).
AI-written and checked against the verified answer.