The main limitation on the efficiency of heat engines is due to
A) the second law of thermodynamics.
B) friction in the moving parts.
C) reaction forces due to Newton's third law.
D) the first law of thermodynamics.
E) environmental extremists.
A
You might also like to view...
The more distant a star, the smaller its parallax
Indicate whether the statement is true or false
A column of contained air extends from sea level to the top of the atmosphere. The contained air has mass. If the column instead contained the same mass of water, its height would be
A) 1/13.6 times as high as the atmosphere. B) about 3/4 m high. C) 10.3 m high. D) about 5.6 km high.
White light is spread out into spectral hues by a diffraction grating. If the grating has 1000 lines per cm, at what angle will red light (? = 640 nm) appear in first order?
a. 14.7° b. 7.35° c. 17.7° d. 3.67° e. 1.84°
Whether a truck comes to a stop by crashing into a haystack or a brick wall, the stopping force is
A) greater with the haystack. B) greater with the brick wall. C) both the same