How to solve this physics question?

A girl throws a ball upwards. The ball as a mass of 0.20 kg and it leaves her hand with a speed of 8.0 m/s. How high will it rise?

By the way, the answer is 3.2 m.

1 Answer
Apr 26, 2018

Based on your answer given, I'll assume you have g=10ms^-2

Loss of kinetic energy = gain in gravitational potential energy
downarrow1/2mv^2-=uparrowmgDeltah

Delta(mgDeltah)=Delta1/2mv^2
Deltah=v^2/(2g)=8^2/(2*10)=64/20=3.2m