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

Author Question: During each cycle, a thermodynamic engine takes in 4.0 J of energy, does 1.0 J of work, and expels ... (Read 34 times)

eruditmonkey@yahoo.com

  • Hero Member
  • *****
  • Posts: 546
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
Answer to Question 1

25

Answer to Question 2

A




eruditmonkey@yahoo.com

  • Member
  • Posts: 546
Reply 2 on: Jul 29, 2018
Excellent


tanna.moeller

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Wow, this really help

 

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?

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?

Everyone has one nostril that is larger than the other.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

For a complete list of videos, visit our video library