Question

A ball of mass 0.20 kg is thrown vertically upwards with an initial velocity of 20 m $s^{-1}$.Calculate the maximum potential energy it gains as it goes up.

Answer 1

Mass, m = 0.20 kg

u = 20 m/s

Maximum Potential energy = Initial kinetic energy = $\frac{1}{2}\times 0.2\times (20{)}^2=40J$