A 52 kg woman steps onto an up-going escalator wyhich bas an incline of 320 with respect to horizontal and is moving at 0.5 m/s. The ton of the escalator is 18 m above the ground lever. a. Calculate how much work is done by the friction force between the woman's feet and the escalator step, as she moves from the bottom to the ton of the escalator. Express your answe m joules. b. Calculate how much work is done by gravity as she moves from the bottom to the top of the escalator. Express your answer in joules. c. Calculate how much work is done by the normal force on the woman's feet, as she moves from the bottom to the top of the escalator. Express your answer in joules. d. What is the total work done on the woman as she moves from the bottom to the top? ExpresS your answer in joules. 9) blood of their hostsA he ow roe fore

A 52 kg woman steps onto an up-going escalator wyhich bas an incline of 320 with respect to horizontal and is moving at 0.5 m/s. The ton of the escalator is 18 m above the ground lever. a. Calculate how much work is done by the friction force between the woman's feet and the escalator step, as she moves from the bottom to the ton of the escalator. Express your answe m joules. b. Calculate how much work is done by gravity as she moves from the bottom to the top of the escalator. Express your answer in joules. c. Calculate how much work is done by the normal force on the woman's feet, as she moves from the bottom to the top of the escalator. Express your answer in joules. d. What is the total work done on the woman as she moves from the bottom to the top? ExpresS your answer in joules. 9) blood of their hostsA he ow roe fore

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Description: A 52 kg woman steps onto an up-going escalator wyhich bas an incline of 320 with respect tohorizontal and is moving at 0.5 m/s. The ton of the escalator is 18 m above the ground lever.a. Calculate how much work is done by the friction force between

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 29P: A shopper pushes a grocery cart 20.0 m at constant speed on level ground, against a 35.0 N...

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