A Carnot engine has an efficiency of 83.0% and performs 4500 J of work every cycle. How much energy is discharged to the lower temperature reservoir every cycle?
A) 922 J
B) 833 J
C) 744 J
D) 3735 J
E) 5422 J
A
You might also like to view...
Which of the following best explains the origin of primitive meteorites?
A) They are leftover chunks of rock from the earliest period in the formation of the solar system. B) They are fragments of comets rather than of asteroids. C) They are fragments of an asteroid that was shattered by a collision. D) They are fragments of rock chipped off the planet Mercury. E) They are fragments of rock chipped off the planet Mars.
How long a tuning fork vibrates when its handle is held against a table is most related to
A) its frequency. B) resonance. C) the conservation of energy. D) the length of its prongs.
How many unique quantum states correspond to the lowest possible energy level of an electron in the hydrogen atom?
A) 3 B) 0 C) 1 D) 4 E) 2
A 6.0-kg block slides along a horizontal surface. If µk = 0.20 for the block and surface, at what rate is the friction force changing the mechanical energy of the block at an instant when its speed is 4.0 m/s?
a. -59 W b. -47 W c. -71 W d. -82 W e. +71 W