Standing at the base of one of the cliffs of Mt. Arapiles in Victoria, Australia, a hiker hears a rock break loose from a height of 105 m. He can’t see the rock right away but then does, 1.50 s later. (a) How far above the hiker is the rock when he can see it? (b) How much time does he have to move before the rock hits his head?
Step-by-step solution 51PE Step 1 of 4 The distance traveled by the rock in time inter val of is, Here, y is the final position, yo is the initial position, u is the initia l velocity, is the time in terval and is the acceleration of the rock.