Question

An object moving with a speed or 67m/s and has kinetic energy of 500 J what is the mass of the object

Answer 1

To solve this equation, simply plug the values into the equation for calculating kinetic energy.

KE = 1/2mv^2
500 = 1/2(m)(67^2)
500 =2244.5m
m = 500/2244.5 = 0.222 kg.