work = (1/2) k x^2
=(1/2)(950 Newtons/meter) (60*10^-3 meters)^2
= 1.7*10^6*10^-6 = 1.7 Newton meters = 1.7 Joules
if a spring has a stiffness of 950n/m what work will be done in extending the spring by 60mm
2 answers
Bolatito