+ Instead of comparing changes in energy, compare the total energy at each point. Consider the first case of the 0.500 kg mass falling from x,=0.250 m to the value of x2 determined for that case. Calculate the sum Uk + Ug at x1 as ¼kx,? – mgx1. Now calculate that sum at x2 as 1/2kx,? – mgx2. Compare the two and comment on the significance of the comparison.

+ Instead of comparing changes in energy, compare the total energy at each point. Consider the first case of the 0.500 kg mass falling from x,=0.250 m to the value of x2 determined for that case. Calculate the sum Uk + Ug at x1 as ¼kx,? – mgx1. Now calculate that sum at x2 as 1/2kx,? – mgx2. Compare the two and comment on the significance of the comparison.

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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Relativistic Energy and Momentum

According to classical physics, time flow is the same for every observer. But according to einstein's theory, time flow is different for different observers. The idea that time flow is not the same for all may sound strange because we may not experience this effect in everyday life. This effect is only observed when an object moves with some velocity comparable to the velocity of light. This velocity is termed relativistic velocity.

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