Change in internal energy is
A) 1 – Qcold/ Qhot.
B) Q/m.
C) Qout/ Win.
D) Q - W.
E) 1 - Tcold/ Thot.
D
You might also like to view...
State the work-energy principle
What will be an ideal response?
The energy released per reaction is smaller for fusion reactions than for the typical fission reactions. Yet fusion produces more energy per pound of fuel than fission of elements because
A. the daughter nuclei produced by fission each have excess kinetic energy. B. the fusion fuel consists of very light elements. C. fusion occurs in the sun.
A bar magnet is falling through a loop of wire with constant velocity. The north pole enters first. As the south pole leaves the loop of wire, the induced current (as viewed from above) will be
a. clockwise. b. counterclockwise. c. zero. d. along the length of the magnet.
When a particular resistor is connected to a source of sinusoidally varying emf with constant amplitude and a frequency of 60.0 Hz, the rms current is 3.00 A. What is the rms current if the source frequency is doubled?
1.12.0 A 2.6.00 A 3.4.24 A 4.3.00 A 5.1.50 A