Question

A Superball is dropped from a height of 2.4 and rebounds off the floor to a height of 1.9 .
Part A

If the ball is in contact with the floor for 0.70 , determine the direction of the ball’s average acceleration due to the floor.






If the ball is in contact with the floor for 0.70 , determine the direction of the ball’s average acceleration due to the floor.

downward


upward

Part B

Determine the magnitude of the ball’s average acceleration due to the floor.

Express your answer using two significant figures.