A 0.30 kg ladle sliding on a horizontal frictionless surface is attached to one end of a horizontal spring (k= 500 N/m) whose other end is fixed. The ladle has a kinetic energy of 10 J as it passes through its equilibrium position (the point at which the spring force is zero). (a) At what rate is the spring doing work on the ladle as the ladle passes through its equilibrium position? (b) At what rate is the spring doing work on the ladle when the spring is compressed 0.10 m and the ladle is moving away from the equilibrium position?

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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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 0.30 kg ladle sliding on a horizontal frictionless surface is
attached to one end of a horizontal spring (k= 500 N/m) whose
other end is fixed. The ladle has a kinetic energy of 10 J as it
passes through its equilibrium position (the point at which the
spring force is zero). (a) At what rate is the spring doing work on
the ladle as the ladle passes through its equilibrium position?
(b) At what rate is the spring doing work on the ladle when the
spring is compressed 0.10 m and the ladle is moving away from the
equilibrium position?

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