Chapter 12.6, Problem 60ES

A ball rolls off a table 4 ft high while moving at a constant speed of $5\text{ft}/\text{s}.$

(a) How long does it take for the ball to hit the floor after it leaves the tables?

(b) At what speed does the ball hit the floor?

(c) If a ball were dropped from rest at table height just as the rolling ball leaves the table, which ball would hit the ground first? Justify your answer.