A roller coaster car has a speed of v0 = 7.5 m/s as it reaches the peak of a h = 38.5 m drop. What is the car's speed at the bottom of the drop, vf in m/s?

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 8OQ
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A roller coaster car has a speed of v0 = 7.5 m/s as it reaches the peak of a h = 38.5 m drop.

What is the car's speed at the bottom of the drop, vf in m/s? 

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