Mathematics, 05.07.2020 14:01 dustinchang49

A spring whose natural length is 20 feet exerts a force of 7 pounds when compressed to 15 feet. How much work is done when the spring is stretched from 20 feet to 25 feet?

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A spring whose natural length is 20 feet exerts a force of 7 pounds when compressed to 15 feet. How...

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