Asked by Eliana

Spider silk is a remarkable elastic material. A particular strand has spring constant 70 mM/m, and it stretches 9.5 cm when a fly hits it. How much work did the fly's impact do on the silk strand?
Answered by drwls
mM/m is not an appropriate dimension for a spring constant. What is it supposed to mean?
Answered by Eliana
it is 0.07N/m
Answered by bobpursley
work= 1/2 k x^2= 1/2 .07N/m*.095^2 m^2= you do it.
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