- #1
Vitani11
- 275
- 3
Homework Statement
...when she pulls the ball down 2.5cm from equilibrium and releases it from rest, it oscillates at 5.5 Hz. What is displacement y as functions of t?
Homework Equations
Y= Acos(omega t+phi)
The Attempt at a Solution
I'm almost certain I should instead be using sin to characterize the displacement or add in a phase angle of pi to the cosine function since its released from bottom. Is this a correct assumption?