What kind of star is most likely to become a white-dwarf supernova?
A) a binary M star
B) an O star
C) a star like our Sun
D) a pulsar
E) a white dwarf star with a red giant binary companion
E
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A 12 mF capacitor is connected in series with a 4 mF capacitor, the combination being connected across a 6 V power supply. The charge on the 12 mF capacitor is
A) 24 mC. B) 12 mC. C) 18 mC. D) 72 mC. E) 36 mC.
Each of the three naturally occurring radioactive series start with one of the following isotopes except for which one?
a. 238U b. 235U c. 232Th d. 237Np
A quantity of a monatomic ideal gas expands to twice the volume while maintaining the same pressure. If the internal energy of the gas were U0 before the expansion, what is it after the expansion?
a. U0 b. 2U0 c. 4U0 d. The change in temperature must also be known to answer this question.
Two capacitors with capacitances of 1.0 mF and 0.50 mF, respectively, are connected in series. The system is connected to a 50-V battery. What electrical potential energy is stored in the 1.0-mF capacitor?
a. 5.6 × 10^-4 J c. 0.065 × 10^-3 J b. 4.3 × 10^-3 J d. 1.4 × 10^-4 J