Problem 5: A block falls from rest off a building that is y = 127 m tall. 5% Part (a) At what tirne,in seconds, does the block hit the ground? 7 a l - 0 sm mm _ 70_ deduction per hint. Hints remaining: 3 Feedback: 2% deduction per feedback. 5% Part (b) How long, in seconds, does it take for the block to be y': 46 n1 off the ground? 5% Part (c) How much time, in seconds, does it take for the block to fall the additional y'distance? 5% Part (d) What is the speed, in meters per second, of the block right before it hits the ground