Question

What is the kinetic energy of an 80 kg football player running at 8 m/s?

Answer 1

Kinetic Formula
KE= 1/2 x m x v^2
KE= 1/2 x 80kg x (8m/s)^2
KE= 1/2 x 80kg x 64 m^2/s^2
KE= 40kg x 64 m^2/s^2
KE= 2,560 J

1 J = 1 kg x m^2/s^2
J (Joules)
KE (Kinetic Energy)