Q1 A ball is thrown upward from the top of a building at an angle 30.0 of above the horizontal and with an initial speed of 30.0 m/s, as in Figure . The point of release is 60.0 m above the ground. . (a) How long does it take for the ball to hit the ground? (b ) Find the ball's speed at impact. (c) Find the horizontal range of the ball. 1 =30 m/s (0, 0) 30.05 (x. =60 m) i Q2 Suppose the river is flowing east at 3.00 m/s and the boat is traveling south at 4.00 m/s with respect to the river. Find the speed and direction of the boat relative to Earth. RE BR E- -. BE