« 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 117 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?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

A mother dies, a father loses his leg—such calamities shattered poor urban families. Orphaned street A mother dies, a father loses his leg—such calamities shattered poor urban families. Orphaned street
Many European Americans are involved in ethnic work, attempting to maintain an identity more precise ... Many European Americans are involved in ethnic work, attempting to maintain an identity more precise ...
Work and Gender: Women at Work in India Work and Gender: Women at Work in India
The fuel injectors used on this Honda Civic GX CNG engine are designed to flow gaseous fuel instead ... The fuel injectors used on this Honda Civic GX CNG engine are designed to flow gaseous fuel instead ...
A thermostat stuck in the open position caused the engine to operate too cold. The vehicle failed ... A thermostat stuck in the open position caused the engine to operate too cold. The vehicle failed ...
Reserves can work for both fish and fishers Reserves can work for both fish and fishers
Video: Anatomy and Chemical Makeup of a Single Hair (Animation)

For a complete list of videos, visit our video library