How do astronomers think Jupiter generates its internal heat?
A) chemical processes
B) radioactive decay
C) nuclear fusion in the core
D) by contracting, changing gravitational potential energy into thermal energy
E) internal friction due to its high rotation rate
D
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A quantity of ideal gas requires 800 kJ to raise the temperature of the gas by 10.0 K when the gas is maintained at constant volume
The same quantity of gas requires 900 kJ to raise the temperature of the gas by 10.0 K when the gas is maintained at constant pressure. What is the adiabatic constant ? for this gas? A) 0.889 B) 1.13 C) 1.22 D) 1.67 E) 1.40
State the first postulate of the special theory of relativity (relativity principle)
What will be an ideal response?
An object is dropped from a bridge. A second object is thrown downwards 1.00 s later. They both reach the water 20.0 m below at the same instant. What was the initial speed of the second object?
A) 4.91 m/s B) 14.6 m/s C) 9.90 m/s D) 19.6 m/s E) 21.3 m/s
A 60.0-Hz AC generator with a peak voltage of 110 V drives a series RL circuit with R = 10.0 ? and L = 10.0 mH. The impedance is
A. 3.77 ?. B. 9.26 ?. C. 10.0 ?. D. 10.7 ?. E. 13.8 ?.