15. A ball rolls off a 1.5 m tall horizontal table and lands on the floor .70 m away.

a. How much time is the ball in the air? b. How does that time compare with the time it takes for a dropped ball to fall that same distance. c. What is the ball's velocity while it was on the table top? d. What is the horizontal component of its velocity just prior to impact? e. What is the vertical component of its velocity just prior to impact? f. What is the magnitude of its velocity just prior to impact? g. What is the direction of its velocity just prior to impact?