This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: An AC voltage source, with a peak output of 120 V, results in dissipation of energy in a resistor at ... (Read 63 times)

craiczarry

  • Hero Member
  • *****
  • Posts: 527
on: Jul 28, 2018
An AC voltage source, with a peak output of 120 V, results in dissipation of energy in a resistor at rate of 50.0 W. What is the value of the resistance?
 a. 100 W
  c. 144 W
  b. 120 W
  d. 72.0 W

Question 2

The lowest A on a piano has a frequency of 27.5 Hz. If the tension in the 2.0-m long string is 151 N and one-half wavelength occupies the string, what is the mass of the string?
 a. 100 g
  c. 37 g
  b. 25 g
  d. 50 g


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lou

  • Sr. Member
  • ****
  • Posts: 286
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

B


craiczarry

  • Member
  • Posts: 527
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

laurnthompson

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Otitis media. This illustration shows an inflamed tympanic cavity, which is the most common source o Otitis media. This illustration shows an inflamed tympanic cavity, which is the most common source o
National Sleep Foundation Survey Results National Sleep Foundation Survey Results
Energy passes among trophic levels Energy passes among trophic levels
Carbohydrates Are Energy-Containing Nutrients Carbohydrates Are Energy-Containing Nutrients
Effect of an Increase in gA,2 on Productivity and Output Effect of an Increase in gA,2 on Productivity and Output
Selected hormones and their role in energy intake Selected hormones and their role in energy intake
Video: Stomach peristalsis - Movement of Food Through the Small Intestine

For a complete list of videos, visit our video library