A superman cyclist rode a bike uphill at 20 miles/hour for two hours. To sustain this constant speed the cyclist was exerting 50 pounds. (a) How much work has the cyclist done during the trip? (b) How many power bars are needed to make up for the lost energy? Assume that one power bar has 300kcal and that a fit person's energy conversion efficiency is 25%. Google the the needed conversion formulas.

A superman cyclist rode a bike uphill at 20 miles/hour for two hours. To sustain this constant speed the cyclist was exerting 50 pounds. (a) How much work has the cyclist done during the trip? (b) How many power bars are needed to make up for the lost energy? Assume that one power bar has 300kcal and that a fit person's energy conversion efficiency is 25%. Google the the needed conversion formulas.

Name: (1) A superman cyclist rode a bike uphill at 20 miles/hour for two ho
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Description: (1) A superman cyclist rode a bike uphill at 20 miles/hour for two hours. To sustain thisconstant speed the cyclist was exerting 50 pounds. (a) How much work has the cyclistdone during the trip?(b) How many power bars are needed to make up for the l

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter7: Work And Kinetic Energy

Section: Chapter Questions

Problem 10CQ: A person drops a pebble of mass m1from a height h, and it hits the floor with kinetic energy K. The...

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