Question

Derive the expression for time period of s.H.M of body hanging from a spring

Answer 1

Derive T=2 Pi(m/k)^1/2  

I've got as far as T=2 Pi/w => 1/w=(m/k)^1/2 => w^2=k/m

I don't even know what k/m is.

I've tried integrating trig graphs, rearranging spring constant equations.