Author Question: Two waves are described by y1 = 6 cos(180t) and y2 = 6 cos(186t) (both in meters). What effective ... (Read 105 times)

codyclark · **on:** Jul 28, 2018

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?
a. 92 Hz
b. 183 Hz
c. 6 Hz
d. 3 Hz
e. 366 Hz

Question 2

Two waves are described by y1 = 6cos(180t) and y2 = 6cos(186t) (both in meters). With what angular frequency does the maximum amplitude of the resultant wave vary with time?
a. 366 rad/s
b. 6 rad/s
c. 3 rad/s
d. 92 rad/s
e. 180 rad/s