A 68 kg bicyclist rides his 8.5 kg bicycle with a speed of 14.7 m/s. (a) How much work must be done by the brakes to bring the bike and rider to a stop? (b) How far does the bicycle travel if it takes 4.2 s to come to rest? (c) What is the magnitude of the braking force?
A 68 kg bicyclist rides his 8.5 kg bicycle with a speed of 14.7 m/s. (a) How much work must be done by the brakes to bring the bike and rider to a stop? (b) How far does the bicycle travel if it takes 4.2 s to come to rest? (c) What is the magnitude of the braking force?
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter8: Potential Energy And Conservation Of Energy
Section: Chapter Questions
Problem 5CQ: What is the dominant factor that affects the speed of an object that started from rest down a...
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A 68 kg bicyclist rides his 8.5 kg bicycle with a speed of 14.7 m/s.
(a) How much work must be done by the brakes to bring the bike and rider to a stop?
(b) How far does the bicycle travel if it takes 4.2 s to come to rest?
(c) What is the magnitude of the braking force?
(b) How far does the bicycle travel if it takes 4.2 s to come to rest?
(c) What is the magnitude of the braking force?
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