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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? Α. 2U С. 4U B. U/2 D. U/4

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? Α. 2U С. 4U B. U/2 D. U/4

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Multiple Choice: Choose the correct letter of your answer. 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? A. 2U С. 4U B. U/2 D. U/4
Transcribed Image Text:Multiple Choice: Choose the correct letter of your answer. 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? A. 2U С. 4U B. U/2 D. U/4
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