This topic contains a solution. Click here to go to the answer

Author Question: In an AC circuit the voltage varies as V = 96. sin (277 t) volts. (a) What is the rms voltage? ... (Read 76 times)

tingc95

  • Hero Member
  • *****
  • Posts: 556
In an AC circuit the voltage varies as V = 96. sin (277 t) volts.
 
  (a) What is the rms voltage?
  (b) What is the frequency?

Question 2

An observer approaches a stationary 1000 Hz sound source at twice the speed of sound. The observer hears a frequency of
 
  A) 2000 Hz.
  B) 500 Hz.
  C) 4000 Hz.
  D) 1500 Hz.
  E) 3000 Hz.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

katkat_flores

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

(a) 68. V
(b) 44.1 Hz

Answer to Question 2

D




tingc95

  • Member
  • Posts: 556
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)


upturnedfurball

  • Member
  • Posts: 334
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

For a complete list of videos, visit our video library