Spring Constant (this is really easy, I'm just dumb haha)

A spring 150-cm long extends to a length of 155 cm when it supports a load of 55 N. Determine the spring constant.

F = kx

x1= 1.5 m
x2= 1.55 m
F = 55 N
k = ?

Now, "x" in F = kx is x2-x1, right? So the formula would be 55 = .05k?

Sorry, I know this is simple, I just am having a momentary lapse.

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