College Physics
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Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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A 750 gram mass is placed on a spring which lies on a frictionless surface. The spring has a spring constant k= 500(N/m) and is at equilibrium length.
a. the spring is stretched so that it is 10.0 cm longer than its equilibrium length. How much elastic potential energy (in Joules) is stored in the spring now?
b. now the spring in part (a) is released, what is the speed of the mass as it passes through the equilibrium point (x=0)?
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