Solve the all parts of given question:
Question: A ball rolls off of a horizontal tabletop with a speed of 3.0 m/s, and lands on the floor a horizontal distance of 2.8 m from the edge of the table.
Part A: How long does it take the ball to hit the floor?
Part B: How high off of the floor is the table top?
I need help to find how long does it take the ball to hit the floor.