Question 742934
the stretch in a loaded spring varies directly as the load it supports. A load of 15 kg stretches a certain spring 3.6 cm 
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s = k*L
Solve for "k":
3.6 = k*15
k = 0.24
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What load would stretch the spring 6 cm?
s = (0.24)*L
6 = 0.24*L
L = 25 kg
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Cheers,
Stan H.
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