College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Question
A Spartan has been traveling south at 21 m/s. A Hawk steps in front of him, causing the Spartan to slow down at a rate of 5 m/s until he stops. How much time did it take for the Spartan to stop? Please show all work.
Expert Solution
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Step 1

Given data: 

Initial velocity (u) = 21 m/s

Acceleration (a) = -5 m/s2

Final velocity (v) = 0 m/s

Required:

Time (t) 

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A Spartan has been traveling south at 21 m/s. A Hawk steps in front of him, causing the Spartan to slow down at a rate of 5 m/s until he stops. How much time did it take for the Spartan to stop? Please show all work.

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A Spartan has been traveling south at 21 m/s. A Hawk steps in front of him, causing the Spartan to slow down at a rate of 5 m/s until he stops. How much time did it take for the Spartan to stop? Please show all work.

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