A ball of mass m = 1.5 kg is launched from the ground with an initial speed of v1 = 15 m/s, at an angle of I9:- 2 at)" above the horizontal. it lands on a platform a vertical height h 2 1.8 m above its starting point. (a): 3 points How long did the ball stay in the air? (b): 3 points What is the total horizontal distance covered by the ball from when it launches to when it lands? (c): 3 points \"'hat was the maximum height (above the starting position) achieved by the hall? (d): 3 points What is the speed of the ball when it strikes the ground