Well it depends on the tennis ball and also how high you bounce . You never know . Unless you measure of corse ! Well I guess the world will never know ! Or will it??
My favorite way is to tape several sheets of graph paper on a big cardboard piece for a background (with marks measuring the height from the bouncing spot in a few places), and put a video recorder...
Tennis balls have pressured air inside of them from the manufacturer. This air on days with higher temperatures will increase and expand this internalized pressure of the ball, thus making the ball...