A stone vertically thrown downward with an initial speed of 12.0 m/s from the roof of a building, 30.0 m above the ground. What is the speed of the stone just before reach the ground? O a. 21.3 m/s O b. 27.3 m/s O. 24.7 m/s O d. 31.6 m/s

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Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 71AP: A stuntman sitting on a tree limb wishes to drop vertically onto a horse galloping under the tree....
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A stone vertically thrown downward with an initial speed of 12.0 m/s from the roof of a
building, 30.0 m above the ground. What is the speed of the stone just before reach the
ground?
O a. 21.3 m/s
O b. 27.3 m/s
O. 24.7 m/s
O d. 31.6 m/s
Next ige
Transcribed Image Text:A stone vertically thrown downward with an initial speed of 12.0 m/s from the roof of a building, 30.0 m above the ground. What is the speed of the stone just before reach the ground? O a. 21.3 m/s O b. 27.3 m/s O. 24.7 m/s O d. 31.6 m/s Next ige
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