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michelle092294
A spring exerts a force of 5 N when stretc hed 1 m beyond its natural length of 2.4 m. How much work is done to stretch the spring from its natural length to a length of 4.2 m? a) find the spring constant b) how much work is required to stretch the spring from its natural length to a length of 4.2m?
Use force = k * extenstion to find k where k is the spring constant
use the formula force = - k * x then u can find spring constant and the other required things
for the 2nd part, use W = -U = 1/2 kx^2
thank you! ill do that now