A student standing on a cliff throws a rock from a vertical height of d=8.0m above the level ground with velocity v0=19m/s at an angle θ=29∘ below the horizontal, as shown. It moves without air resistance. Use a Cartesian coordinate system with the origin at the initial position of the rock. Part (a) With what speed, in meters per second, does the stone strike the ground? Part (b) If the rock had been thrown from the clifftop with the same initial speed and the same angle, but above the horizontal, would its impact velocity be different?

A student standing on a cliff throws a rock from a vertical height of d=8.0m above the level ground with velocity v0=19m/s at an angle θ=29∘ below the horizontal, as shown. It moves without air resistance. Use a Cartesian coordinate system with the origin at the initial position of the rock. Part (a) With what speed, in meters per second, does the stone strike the ground? Part (b) If the rock had been thrown from the clifftop with the same initial speed and the same angle, but above the horizontal, would its impact velocity be different?

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Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter3: Motion In Two Dimensions

Section: Chapter Questions

Problem 3OQ: Figure OQ3.3 shows a birds-eye view of a car going around a highway curve. As the car moves from...

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