Question

The potential energy of a 25 kg bicycle resting at the top of a 3 m high hill is _______________.

Answer 1

The potential energy: 
E p = m · g · h
m = 25 kg,  g = 9.81 m/s²,  h = 3 m
 E p = 25 kg · 9.81 m/s² · 3 m = 735.75 J