80
Juan serves a tennis ball
. He throws the tennis ball into the air and hits it with his racket when it reaches its
highest point Once he hits the ball
, it moves forward and downward, eventually hitting the ground after it goes
over the net
. At which point is kinetic energy converted to gravitational potential energy
?
A just before Juan throws the bal
B just after Juan throws the ball into the air
Cust after juan hits the tennis ball
D just before the tennis ball hits the ground
