Question
Asked Nov 15, 2019
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A spring has a force constant of 12.9 N/m and a rest length of 0.25 m. Some amount of work is expended to stretch the spring to a length of 0.40 m. How much more work is required to stretch the spring to a length of 0.65 m?
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Expert Answer

Step 1

The work done expended to stretch the spring is

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W

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Step 2

Substitute the values to find the work done to stretch the spring from 0.25 m to 0.40 m.

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(12.9N/m)(0.40m - 0.25m) (12.9N/m) (0.15m) 0.145 J

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Step 3

Substitute the values to find the work done to s...

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w(12.9N/m)(0.65 m- 0.25 m) (12.9N/m)(0.40m) 1.032 J

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Physics

Work,Power and Energy

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