Solve the problem.A force of 1000 lb compresses a spring from its natural length of 16 in. to a length of 13 in. How much work is done in compressing it from 13 in. to 6 in.?

A. 30,000 lb?in.
B. 8200 lb?in.
C. 15,000 lb?in.
D. 0.14 lb?in.


Answer: C

Mathematics

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Mathematics