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

Author Question: During each cycle, a thermodynamic engine takes in 4.0 J of energy, does 1.0 J of work, and expels ... (Read 35 times)

eruditmonkey@yahoo.com

  • Hero Member
  • *****
  • Posts: 546
on: Jul 29, 2018
During each cycle, a thermodynamic engine takes in 4.0 J of energy, does 1.0 J of work, and expels 3.0 J of energy. What is its efficiency?
 
  What will be an ideal response?

Question 2

A 10-gram wire that is 6.0 m long is under tension. When a transverse wave of frequency 280 Hz travels along the wire, its wavelength is 0.60 m, and its amplitude is 8.4 mm.
 
  How much time does it take for a crest of the transverse wave to travel the length of the wire? A) 36 ms
  B) 31 ms
  C) 40 ms
  D) 44 ms
  E) 49 ms


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fdliggud

  • Sr. Member
  • ****
  • Posts: 366
Reply #1 on: Jul 29, 2018
Answer to Question 1

25

Answer to Question 2

A


eruditmonkey@yahoo.com

  • Member
  • Posts: 546
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

lindahyatt42

  • Member
  • Posts: 322
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

The average adult has about 21 square feet of skin.

The Calvin cycle The Calvin cycle
combined-cycle power plant combined-cycle power plant
Life-cycle of the Sun; sizes are not drawn to scale. Life-cycle of the Sun; sizes are not drawn to scale.
As some groups do ethnic work, they produce a mythical long-lost heritage, as in this photo of ... As some groups do ethnic work, they produce a mythical long-lost heritage, as in this photo of ...
White steam is usually an indication of a blown (defective) cylinder head gasket that allows engine ... White steam is usually an indication of a blown (defective) cylinder head gasket that allows engine ...
Plant life cycle Plant life cycle
Video: Hershey Chase Experiments

For a complete list of videos, visit our video library