A ball is thrown downward with a speed of 11 ft/s from the top of a 121-foot-tall building. Aftert seconds, its height above the ground is given by s(t) = -22t2 - 11t + 121. (a) Determine how long it takes for the ball to hit the ground. sec (b) Determine the velocity of the ball when it hits the ground. ft/sec

A ball is thrown downward with a speed of 11 ft/s from the top of a 121-foot-tall building. Aftert seconds, its height above the ground is given by s(t) = -22t2 - 11t + 121. (a) Determine how long it takes for the ball to hit the ground. sec (b) Determine the velocity of the ball when it hits the ground. ft/sec

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

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 18P: The minimum distance required to stop a car moving at 35.0 mi/h is 40.0 ft. What is the minimum...

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