Question

The number of centimeters, d, that a spring is compressed from its natural, uncompressed position is given by the formula d(W)=√2W
____ - 9
0.2

models the number of centimeters, d(W), that a spring is compressed from its natural, uncompressed position. Find the amount of work needed, in joules, to move the spring.

a. 0.5 joules b. 5 joules c. 25 joules d. 2.5 joules