Compared with a neutron bouncing off a carbon nucleus, a neutron bouncing off an iron nucleus loses
A) less speed.
B) more speed.
C) the same amount of speed.
Answer: A
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Two guitar strings are under the same tension and have the same length. If their fundamental frequencies are in a ratio of 3:2, what is the ratio of their masses?
A. 3/2 B. 2/3 C. 9/4 D. 4/9
The first solenoid has 2 times the diameter, 2 times the number of turns, and 2 times the length of the second solenoid. Which solenoid has the greater inductance and by what factor?
a. the first solenoid by a factor of 8 c. the first solenoid by a factor of 16 b. the second solenoid by a factor of 8 d. the second solenoid by a factor of 32
During an isothermal process, 5.0 J of heat is removed from an ideal gas. What is the work done in the process?
A. zero B. -5.0 J C. +5.0 J D. none of the above
A series LC circuit contains a 100-mH inductor, a 36.0-mF capacitor and a 12-V battery. The period of the electromagnetic oscillations in the circuit is
A. 0.0227 s. B. 0.377 s. C. 2.26 s. D. 105 s. E. 1750 s.