Q. An elevator moves downward in a tall building at a constant speed of 5m/s . Exactly 5s after the top of the elevator car passes a bolt loosely attached to the wall of the elevator shaft, the bolt falls from rest. At what time does the bolt hit the top of the still-decending elevator?

Q. A basketball player tries to make a 12 court shot, releasing the ball at the height of the basket. Assuming that the ball is launched at 51 degrees 14 meters from the basket, what speed must the player give the ball?