« previous next »

Author Question: A perfect Carnot engine operates between 350 K and 600 K. The engine delivers 10 kJ of work in each ... (Read 158 times)

saliriagwu

  • Hero Member
  • *****
  • Posts: 537
on: Jul 29, 2018
A perfect Carnot engine operates between 350 K and 600 K. The engine delivers 10 kJ of work in each cycle. How much heat is extracted from the 600 K reservoir in one cycle?
 
  A)
 
  34 kJ
 
  B)
 
  27 kJ
 
  C)
 
  17 kJ
 
  D)
 
  21 kJ
 
  E)
 
  24 kJ

Question 2

A magnifying lens has a focal length of 10 cm. A person has a near point of 25 cm.
 
  (a) What is the magnification of the lens for that person when their eyes are focused at infinity?
  (b) What is the magnification of the lens for that person when their eyes are focused at their near point?
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


janeli

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

(a) 2.5
(b) 3.5


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Keep your arms in front of your body as you work. Keep your arms in front of your body as you work.
To prevent ignition and fuel-injection operation while the engine is being cranked, remove both the ... To prevent ignition and fuel-injection operation while the engine is being cranked, remove both the ...
Block open the throttle (and choke, if the engine is equipped with a carburetor). Here a screwdriver ... Block open the throttle (and choke, if the engine is equipped with a carburetor). Here a screwdriver ...
When the engine achieves closed-loop, the air is directed to the catalytic converter. When the engine achieves closed-loop, the air is directed to the catalytic converter.
Automotive Engine Performance, 5th Edition Automotive Engine Performance, 5th Edition
What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ... What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ...
Video: Muscle Twitch and Muscle Tension - Motor unit size and force

For a complete list of videos, visit our video library