Question

What is the height of an object whose potential energy is 2 J and has a mass of 16 kg?

Answer 1

2 cm

Explanation:

Potential energy is given by Ew = mgh. You can obtain `h= (Ew)/(mg) = 2J/ (16 kg 9,8 m/s^2)= 0,0127 m = 2 cm`
Remember that `1 J = 1 kg (m/s^2)`