Asked by Jay


Q23 How much work does it take to stretch a spring with k = 210 N/m
(a) 10 cm from equilibrium and
(b) from 10 cm to 20 cm from equilibrium?
Answered by R_scott
(a) w = 1/2 k x^2 = 1/2 * 210 * .1^2 Joules

(b) 1/2 * 210 * .2^2 ... minus (a)
Answered by Anonymous
1.05
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