Answer to Question #290478 in Optics for Mark

Question

A hanging 7.5kg object stretches a spring 1.1 m What is the spring constant.?

Answer 1

Gives

M=7.5kg

L=1.1m

We know that

Mg=Kx

$K=\frac{mg}{x}$

$K=\frac{7.5\times9.8}{1.1}N/m$

K=66.81N/m