A tennis player tosses a tennis ball straight up and then catches it after 1.60 s at the same height as the point of release. (a) what is the acceleration of the ball while it is in flight?

Answer :

Answer:

The acceleration of the ball (excluding air resistance) is

9.80 m/s^2 in the downward direction.

That's all that can be inferred from the problem as it is stated.