While standing at the edge of the roof of a building, a man throws a stone upward with an initial speed of 6.27 m/s. The stone subsequently falls to the ground, which is 13.5 m below the point where the stone leaves his hand. At what speed does the stone impact the ground? Ignore air resistance and use ? = 9.81 m/s^2 for the acceleration due to gravity.

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 7OQ: A student at the top of a building of height h throws one ball upward with a speed of vi and then...
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While standing at the edge of the roof of a building, a man throws a stone upward with an initial speed of 6.27 m/s. The stone subsequently falls to the ground, which is 13.5 m below the point where the stone leaves his hand.

At what speed does the stone impact the ground? Ignore air resistance and use ? = 9.81 m/s^2 for the acceleration due to gravity.

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