Solve the problem.A force of 1300 lb compresses a spring from its natural length of 15 in. to a length of 14 in. How much work is done in compressing it from 14 in. to 7 in.?
A. 41,000 lb?in.
B. 0.024 lb?in.
C. 82,000 lb?in.
D. 32,000 lb?in.
Answer: A
Mathematics
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A. -5, 
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+ 
+ 
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B. 1
C. 
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