Solve the problem.A spring on a horizontal surface can be stretched and held 0.5 m from its equilibrium position with a force of 50 N. How much work is done in compressing the spring 2.5 m from its equilibrium position?
A. 625 J
B. 125 J
C. 312.5 J
D. 62.5 J
Answer: C
Mathematics
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What will be an ideal response?
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A. 
B. 
C. 
D. 
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