What is the binding energy per nucleon for 12C?
A. 137 MeV
B. 104 MeV
C. 92.2 MeV
D. 46.1 MeV
E. 7.68 MeV
E. 7.68 MeV
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An anelastic material can be modeled with a
(a) Dashpot (b) Maxwell solid (c) Voigt solid (d) Four-element solid
When an acrobat hangs motionless from a pair of rings
a. she has no measurable weight. b. her weight depends on the angles the ropes make with the ceiling. c. her weight is reduced by the upward force the rings exert on her. d. her weight is increased by the upward force the rings exert on her. e. she exerts a gravitational force on the Earth that is equal to the sum of the forces the rings exert on her.
LR Circuits: A resistor and an inductor are connected in series to a battery. The battery is suddenly removed from the circuit and replaced by a wire to complete the circuit. The time constant for of the new circuit represents the time required for the current to decrease to
A. 25% of the original value. B. 37% of the original value. C. 63% of the original value. D. 75% of the original value. E. zero.
The major difference in the composition of Earth's atmosphere compared to the atmospheres of Venus and Mars is a direct consequence of
a. life on Earth. b. Earth's plate tectonics. c. differences in the greenhouse effect. d. the presence of liquid water. e. differing distances from the Sun.