- #1
firezap
- 29
- 0
Homework Statement
http://i.imgur.com/TZcJkjH.jpg
Find the phase constant
Homework Equations
x(t) = Acos(wt + Φ)
x(t) = Asin(wt + Φ)
w = 2pi/T
The Attempt at a Solution
I see A = 20cm. T = 4s. f = 1/4 = 0.25Hz. w = 2pi/4 = 1.57Hz.
10 = 20cosΦ
0.5 = cosΦ
Φ = π/3, 5.24?