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Isn't there a way to solve this by only using the work and energy?  W = F(Delta X)  W = 1/2mv_{final}^2-1/2mv_{initial}^2 Potential Energy = MGH  I understand how to solve this with regular FBD and newtons laws. I want to see the way to solve it using work and energy.

Isn't there a way to solve this by only using the work and energy?  W = F(Delta X)  W = 1/2mv_{final}^2-1/2mv_{initial}^2 Potential Energy = MGH  I understand how to solve this with regular FBD and newtons laws. I want to see the way to solve it using work and energy.

College Physics
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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Isn't there a way to solve this by only using the work and energy? 

W = F(Delta X) 

W = 1/2mv_{final}^2-1/2mv_{initial}^2

Potential Energy = MGH 

I understand how to solve this with regular FBD and newtons laws. I want to see the way to solve it using work and energy. 

 

At a winter recreation resort, snow tubers at the bottom of the hill hook their tubes to a tow rope. A motor pulls the rope so that tubers move at constant velocity to the top of the hill. (Ignore the momentary acceleration of the tuber when he first attaches his tube to the rope.) The coefficient of kinetic friction between the tube and the snow is lk = 0.15. A boy and his tube with a total weight of 416 N are pulled a distance of 325 m up the 20° incline (see figure below). Consider the Earth, the boy, his tube, and the snow along his path to make up the system. Find the tension in the rope. (Enter the magnitude. The work done by the rope is 6.53 x 104 J.) N
Transcribed Image Text:At a winter recreation resort, snow tubers at the bottom of the hill hook their tubes to a tow rope. A motor pulls the rope so that tubers move at constant velocity to the top of the hill. (Ignore the momentary acceleration of the tuber when he first attaches his tube to the rope.) The coefficient of kinetic friction between the tube and the snow is lk = 0.15. A boy and his tube with a total weight of 416 N are pulled a distance of 325 m up the 20° incline (see figure below). Consider the Earth, the boy, his tube, and the snow along his path to make up the system. Find the tension in the rope. (Enter the magnitude. The work done by the rope is 6.53 x 104 J.) N
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