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


Answer: B

Physics & Space Science

You might also like to view...

A plutonium nuclear fuel rod shown in Figure 2-71 has energy generation in the amount of 3000 Btu/s?ft^3. For the grid model shown, write the node equations and solve for the temperatures. Assume ? = 10 W/m?K.

Physics & Space Science

The names of the seven days of the week are derived from the names of the members of the solar system that are visible to the naked eye

Indicate whether the statement is true or false

Physics & Space Science

Which of the following is an example of a longitudinal wave?

a. sound wave in air b. wave traveling in a string c. both a and b d. neither a nor b

Physics & Space Science

A 120-V rms voltage at 1000 Hz is applied to a series LRC circuit with an equal value of inductive and capacitive reactance and a 200-? resistance. What is the impedance of this circuit?

A) 100 ? B) 0 ? C) 240 ? D) 120 ? E) 200 ?

Physics & Space Science