Suppose a rock is launched from the ground straight upward (use up as the positive direction) and reaches its maximum height in a time of 3.0 s. Then the rock descends back to the ground. (To simplify your numbers, you may use [g] = 10 m/s².) Find the following: a. The maximum height reached above the ground. b. The velocity of the rock at the time t = 4.5 s.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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Suppose a rock is launched from the ground straight
upward (use up as the positive direction) and reaches its maximum
height in a time of 3.0 s. Then the rock descends back to the
ground. (To simplify your numbers, you may use |g| = 10 m/s².)
Find the following:
a. The maximum height reached above the ground.
b. The velocity of the rock at the time t = 4.5 s.
Transcribed Image Text:Suppose a rock is launched from the ground straight upward (use up as the positive direction) and reaches its maximum height in a time of 3.0 s. Then the rock descends back to the ground. (To simplify your numbers, you may use |g| = 10 m/s².) Find the following: a. The maximum height reached above the ground. b. The velocity of the rock at the time t = 4.5 s.
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