Homework Statement
7. Mass m is oscillating on the end of a spring. How much mass must be added in order for the
period of oscillation to increase by a factor of two?
A.m
B.2m
C.3m
D.4m
E.8m
Homework Equations
f=-kx
w= \sqrt{k/m}
T = 2\pi\sqrt{m/k}
The Attempt at a Solution...