A tennis ball is released from rest at the top of a tall building.
Which graph best represents the variation with time t of the acceleration a of the ball as it falls,
assuming that the effect of air resistance is not negligible?
A tennis ball is released from rest at the top of a tall building.
Which graph best represents the variation with time t of the acceleration a of the ball as it falls,
assuming that the effect of air resistance is not negligible?