Question 1
Two waves are described by
y1 = 6 cos 180t and y2 = 6 cos 186t, (both in meters).
With what angular frequency does the maximum amplitude of the resultant wave vary with time?
◦ 366 rad/s
◦ 6 rad/s
◦ 3 rad/s
◦ 92 rad/s
◦ 180 rad/s
Question 2
Two waves are described by
y1 = 6 cos 180t and y2 = 6 cos 186t, (both in meters).
What effective frequency does the resultant vibration have at a point?
◦ 92 Hz
◦ 183 Hz
◦ 6 Hz
◦ 3 Hz
◦ 366 Hz