A spring has a relaxed length of 5 cm and a stiffness of 50 N/m. How much work must you do to change its length from 10 cm to 14 cm?
W= -U = F(delta R) = (Ks)(s)
The Attempt at a Solution
-attempted solving this problem using the formula above
-got a value of 0.08 J
-value is apparently incorrect
-not quite sure where I went wrong