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A spring with a spring constant of 40n/cm has a cage attached to one end. how much work does the spring force do on the cage if the spring is stretched from its relaxed length by 7.6 mm?
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A spring with a spring constant of 40n/cm has a cage attached to one end. how much work does the spring force do on the cage if the spring is stretched from its relaxed length by 7.6 mm?

User Justin Noel
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5 votes
work of a spring:
W = 0.5 × k × x²

k spring constant
x stretch of the spring

make sure to convert all quantities into the correct units before using the equation
User Erik Madsen
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