Pearson eText for College Physics: A Strategic Approach -- Instant Access (Pearson+)
4th Edition
ISBN: 9780137561520
Author: Randall Knight, Brian Jones
Publisher: PEARSON+
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Chapter 10, Problem 25MCQ
A roller coaster starts from rest at its highest point and then descends on its (frictionless) track. Its speed is 30 m/s when it reaches ground level. What was its speed when its height was half that of its starting point?
A 11 m/s
B. 15 m/s
C. 21 m/s
D. 25 m/s
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Chapter 10 Solutions
Pearson eText for College Physics: A Strategic Approach -- Instant Access (Pearson+)
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