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B7. Write an expression for the total potential energy of the system when the spring is stretched an amount y.

B7. Write an expression for the total potential energy of the system when the spring is stretched an amount y.

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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Please answer 37. 38. and 39.  The previous answers are for context

36. What are the general equations for the kinetic energy of a moving mass, the gravitational potential energy of a stretched spring, and the gravitational potential energy of mass raised a distance above some zero height? KE = }mv² U = }ky,? U = -mgy Define y, yo: Yı. m:, and m, , the same as before. Choose the zero gravitational potential energy for each mass to be at the position it is at when the spring is unstretched(when y=0) 2m,g - Y1 2mg Yo • - ky • Mg = mha ky,-m;g • a= B7. Write an expression for the total potential energy of the system when the spring is stretched an amount y. 38. Substitute in y = yo - Yı to the expression in question 37. 39. Expand all of the terms.
Transcribed Image Text:36. What are the general equations for the kinetic energy of a moving mass, the gravitational potential energy of a stretched spring, and the gravitational potential energy of mass raised a distance above some zero height? KE = }mv² U = }ky,? U = -mgy Define y, yo: Yı. m:, and m, , the same as before. Choose the zero gravitational potential energy for each mass to be at the position it is at when the spring is unstretched(when y=0) 2m,g - Y1 2mg Yo • - ky • Mg = mha ky,-m;g • a= B7. Write an expression for the total potential energy of the system when the spring is stretched an amount y. 38. Substitute in y = yo - Yı to the expression in question 37. 39. Expand all of the terms.
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