During each cycle, a thermodynamic engine takes in 4.0 J of ...

[eruditmonkey@yahoo.com]

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

[fdliggud]

Answer to Question 1

25

Answer to Question 2

A

[eruditmonkey@yahoo.com]

Thanks for the timely response, appreciate it

[lkanara2]

Excellent