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It took 1800J of work to stretch a spring from its natural length of 2m to a length of 5m. Find the spring's force constant.
11 years ago

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Henry
W = F*d = F * (5-2) = 1800 Joules.
3F = 1800
F = 600 N.

k = 600N./3m = 200N/m
11 years ago

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