Question

A 146-g baseball is dropped from a tree 12.0 m above the ground.

A)With what speed would it hit the ground if air resistance could be ignored? Express your answer to three significant figures and include the appropriate units.

B)If it actually hits the ground with a speed of 8.50 m/s , what is the magnitude of the average force of air resistance exerted on it? Express your answer to three significant figures and include the appropriate units.

Answer 1