Question

a .300 kg baseball is thrown at a speed of 6.5m/s. the batter hits the ball and it flies into the outfield at a speed of 19.2 m/s. How much work is done into hitting the baseball

Answer 1

work in = change in kinetic energy
= (1/2)m(v2^2 -v1^2)

Answer 2

((1/2)M(Vf^2))-((1/2)M(Vi^2))