Question

the gravitational potential energy stored ina box og weight 159kgf is 1.5×10000j.find the height of the box.​ take 1kgf =10N

Answer 1

Gravitational potential energy U = mg × h

1.5 × 10^4 J = (150 kgf) × h

1.5 × 10^4 J = (150 × 10 N) × h

h = 1.5×10^4/1500 = 15/10 = 10000/1500 = 10m