Answer to Question #279479 in Physics for alegria

Question #279479

A heat engine takes in 1500 J of heat at 2000 K and rejects 950 J of heat at 1000 K. Find the (a) maximum efficiency of this engine and (b) its actual efficiency.

Expert's answer

(a) "\\eta=(T_1-T_2)\/T_1=(2000-1000)\/2000=0.5"

(b) "\\eta=(Q_1-Q_2)\/Q_1=(1500-950)\/1500=0.37"

Learn more about our help with Assignments: Physics

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. An object displaces 2.3×10-3 m3 of water when totally immersed into it. What is the buoyant force e
2. 1. An object displaces 2.3×10-3 m3 of water when totally immersed into it. What is the buoyant for
3. The moon has a mass of 7.35×1022 kg7.35×1022 kg and a radius of 1.738×106 m1.738×106 m.
4. a 20N attached to the end of a 20m long string is rotating as a conical pendulum. if it rotated as 5
5. An ice cube is placed in a glass of water. The cube is 2.0 cm on each side and has a density of 0.91
6. A waterbed is 2 meters on a side and 30 cm deep. A) Find its weight. B) Find the pressure of the bed
7. A blimp is filled with 300 m3 of helium. How big a payload can the balloon lift (the density of air

Who Can Help Me with My Assignment

There are three certainties in this world: Death, Taxes and Homework Assignments. No matter where you study, and no matter…
How to Finish Assignments When You Can’t

Crunch time is coming, deadlines need to be met, essays need to be submitted, and tests should be studied for.…
How to Effectively Study for a Math Test

Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…