A(n) 88-kg sprinter accelerates from rest to a speed of 11.0 m/s in 4.2 s. (a) Calculate the mechanical work done by the sprinter during this time. 5324 (b) Calculate the average power the sprinter must generate. 1267.62 ✔ W (c) If the sprinter converts food energy to mechanical energy with an efficiency of 25%, at what average rate is he burning Calories? 5070.48 Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. Cal/s

A(n) 88-kg sprinter accelerates from rest to a speed of 11.0 m/s in 4.2 s. (a) Calculate the mechanical work done by the sprinter during this time. 5324 (b) Calculate the average power the sprinter must generate. 1267.62 ✔ W (c) If the sprinter converts food energy to mechanical energy with an efficiency of 25%, at what average rate is he burning Calories? 5070.48 Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. Cal/s

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A(n) 88-kg sprinter accelerates from rest to a speed of 11.0 m/s in 4.2 s.
(a) Calculate the mechanical work done by the sprinter during this time.
5324
J
(b) Calculate the average power the sprinter must generate.
1267.62
W
(c) If the sprinter converts food energy to mechanical energy with an efficiency of 25%, at what average rate is he burning Calories?
5070.48 X
Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. Cal/s

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