Question

A tennis player hits a 58.0g tennis ball so that it goes straight up and reaches a maximum height of 6.17m.
How much work does gravity do on the ball on the way up?
On the way down?

Answer 1

work is being done on gravity on the way up, what is mgh?

Answer 2

3.507

Answer 3

58000×10×6.17=-34800 or34800 j