Question

You kick a ball off the ground with a ma of 2. 1 kg. The ball leave your foot with a peed of 30 m/. Calculate the magnitude of the energy you identified in part a

Answer 1

Answer: 945 J

Explanation- You just need to plug in those values into the kinetic energy equation and you will find your answer. KE = 1/2mv^2 = 1/2•2.1 kg•(30 m/s)^2 = 945 J.