A spring is stretched 40mm by force 15N, what is the work done by the force

8 answers

W = (1/2) k x^2

.040 meters = x
F = k x
15 = k (.04)
k = 15/.04 = 375
so
W = (1/2) (375) (.04)^2
I need a simple solution
W =1/2 fe ,w =1/2 *15*0.04 ,w=0.3I
Straight answer 0.3 joules
I dont ve an idea
I dont ve idea
A spring is stretchd of 40mm by a force 15n what is a work done of a force
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