Homework Statement
The position of a mass that is oscillating on a Slinky (which acts as a simple harmonic oscillator) is given by 18.5 cm cos[ 18.0 s-1t]. What is the speed of the mass when t = 0.360 s?
Homework Equations
x(t)=Acos(ωt+θ)
v(t)=-Aωsin(ωt+θ)
The Attempt at a Solution...