# Physics: A force of 15N stretches a spring to a total lengt of 30cm.An additional force of 10N stretches the spring 5cm further.find the natural lenght of the spring?

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27cm
28-Feb-2017 08:59:30 ·

27cm
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28-Feb-2017 08:59:30 ·
200m/second square
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08-Mar-2017 12:09:30 ·
l=22.5
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19-Mar-2017 15:41:13 ·