Problem 1 You are standing at the edge of a cliff that is 350 meters above the valley below. You throw a rock horizontally with an initial speed of 15 m/s. Give all answers to 2 significant figures. Use Igl = 9.8 m / s 2 . A. What is the total time (in seconds) that the rock is in the air for? B. What horizontal distance (in meters) in front of the cliff does the rock land