Question

Yusuf is moving at a speed of 1.4 m/s? and has a mass of 71 kg. How much kinetic energy does he have?

Answer 1

Formula for kinetic energy:

K = ½mv²

Given:

v = 1.4 m/s

m = 71 kg

K = ½ · 71.0 kg · (1.4 m/s)²

K = 35.5 kg · 1.96 m²/s²

K = 69.58 J