- #1
damnwebassign
- 5
- 0
Homework Statement
Two waves of the same frequency have amplitudes of 1.26 and 2.33. They interfere at a point where their phase difference is 62.0(deg). The resultant amplitude is:
A. 3.13
B. 3.59
C. 0.77
D. 1.21
E. 2.15
Homework Equations
y(x,t) = y_m sin(kx-wt)
The Attempt at a Solution
Well I know right away the answer is not B because there is a phase difference. So what I did was (1.26+2.33)*sin(62) and I get 3.17 which is not in the list. I am supposed to just assume its 3.13 (A) or am I doing something wrong. Thanks help is appreciated.