Question

Roger Federer serves a tennis ball with a velocity of 35.0 m/s. If the ball has a mass of 0.15 kg, what is the kinetic energy (KE) of the ball?

Answer 1

K.E.=mv^2/2=>
m=0.15
v=35m/s
0.15•35^2/2
183.75/2=91.87

Answer 2

Hope this helps. If it does give me the brainliest answer