Solve.The number of centimeters, d, that a spring is compressed from its natural, uncompressed position is given by the formula 
where W is the number of joules of work done to move the spring and k is the spring constant. If a spring has a spring constant of 0.4, find the amount of work needed to move the spring 2 centimeters.
A. 0.8 joules
B. 4 joules
C. 0.4 joules
D. 1.6 joules
Answer: A
Mathematics
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