(a) w = 1/2 k x^2 = 1/2 * 210 * .1^2 Joules
(b) 1/2 * 210 * .2^2 ... minus (a)
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?
2 answers
1.05