1. The work done in stretching a spring-mass system a distance x from its rest position is U = kx²/2. In terms of U, how much work is done if the system is stretched a distance of 2x?

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1. The work done in stretching a spring-mass system a distance x from its rest
position is U = kx²/2. In terms of U, how much work is done if the system is stretched a
distance of 2x?
Transcribed Image Text:1. The work done in stretching a spring-mass system a distance x from its rest position is U = kx²/2. In terms of U, how much work is done if the system is stretched a distance of 2x?
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