A Carnot heat engine could have an efficiency of 100% only if the temperature of the exhaust were at ________.
What will be an ideal response?
0 K
absolute zero
0 Kelvin
0 Kelvins
zero Kelvin
zero Kelvins
You might also like to view...
In selecting a unalloyed alumina material for a design, it would be expected that the one with the _________density would have the highest tensile strength.
Fill in the blank(s) with the appropriate word(s).
If you find yourself in a locality where the magnetic declination is "15.° East," in which direction is true North in relation to a compass needle?
What will be an ideal response?
What is the typical size of a comet's nucleus?
A) 10 km B) 1 meter C) 100 km D) 1000 km E) Sizes are unknown because the nucleus is obscured by the coma.
You drive your car along the highway at a constant 60 km/h and apply the brakes until the car slows to 40 km/h. If at that moment you suddenly release the brakes, the car tends to
A) momentarily regain its higher initial speed. B) continue moving at 40 km/h. C) decrease in speed if no other forces act.