As shown in the gure, a heavy rock is shot upward from the edge of a verh'cal cliff. It leaves the edge of the cliff with an inih'al velocity 01'15 m/s directed at 250 from the vertical and experiences no appreciable air resistance as it travels. How high is the cliff? Give your answer in meters. A block of mass m : 3.6 kg, moving on a frictionless surface with a speed of 9.3 rn/s, makes a sudden perfectly elastic collision with a stationary block of mass M, as shown in the gure. Just after the collision, the 3.67kg blocl