A gasoline engine absorbs 2500 J of heat and performs 1000 J of mechanical work in each cycle. The amount of heat expelled in each cycle is
a. 1000 J
b. 1500 J
c. 2000 J
d. 500 J
e. 3000 J
b
You might also like to view...
Which statement about stellar populations is correct?
a. Population I stars are found in the disk and halo; Population II stars are found in the bulge. b. Population I stars are found in the halo; Population II stars are found in the disk and bulge. c. Population I stars are found in the disk; Population II stars are found in the bulge and halo. d. Population II stars are found in the disk; Population I stars are found in the bulge and halo. e. Population I stars are found in the bulge; Population II stars are found in the disk and halo.
A boat has a velocity 12. km/hr Southward and 16. km/hr Westward. What is its speed and how long does it take to travel 94. km?
What will be an ideal response?
A 50-kg bucket of concrete is suspended from a steel wire that is 1.0 mm in diameter 1.0 mm and 11.2 m long. What distance will the wire stretch? Young's modulus for steel is 2.0 x 1011 Pa
What will be an ideal response?
The force on a current-carrying wire in a magnetic field is equal to zero when
A) the current is parallel to the field lines. B) the current is at a 30° angle with respect to the field lines. C) the current is at a 45° angle with respect to the field lines. D) the current is at a 60° angle with respect to the field lines. E) the current is perpendicular to the field lines.