Question

a tennis ball is thrown straight up with an initial velocity of 22.5 m/s how much total time is the ball in the air

Answer 1

Answer:

4.6s

Explanation:

v=u+at

0=22.5+(-9.8)t

-22.5=-9.8t

t=-22.5/-9.8

t=2.295 s

The total time will double

2.295×2=4.59s

=4.6s