Question

Find the gravitational potential energy of 1 kg mass kept at a height of 5 m above the ground if g = 10 ms s-2

Answer 1

Gravitational potential energy = mass (m) × gravity (g) × height (h)
= (1× 10 × 5) J
= 50 J

Answer 2

gravitational potential = gm/r^2
=10*1/5^2
=10/25
=0.4