Type I supernovae are NOT:
A) products of mass transfer.
B) created by the mass of the white dwarf exceeding Chandrasekhar's Limit.
C) rich in hydrogen from the outer envelope of the collapsed star.
D) brighter than type II supernovae.
E) created by carbon detonation.
C
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Mass Sprectrometer: In a mass spectrometer, a single-charged particle has a speed of 1.00 × 106 m/s and enters a uniform magnetic field of 0.200 T at a right angle to the field. The radius of the resulting circular orbit is 20.75 cm. What is the mass of the particle? (e = 1.60 × 10-19 C)
A. 3.20 × 10-27 kg B. 6.64 × 10-27 kg C. 1.67 × 10-27 kg D. 9.11 × 10-31 kg
Current data suggest that ________ have at least one planet.
A) about 1 in 1 million stars B) about 1% of all stars C) about 10% of all stars D) most stars E) 100% of all stars
A parallel plate capacitor of capacitance C0 has plates of area A with separation d between them. When it is connected to a battery of voltage V0, it has charge of magnitude Q0 on its plates. It is then disconnected from the battery and the plates are pulled apart to a separation 2d without discharging them. After the plates are 2d apart, the new capacitance and the potential difference between the plates are what?
A.
C0, 
V0B.
C0, V0C.
C0, 2V0D.
E.
If m? = 4, how may possible values can the spin quantum number ms have?
A) 3 B) 5 C) 4 D) 2 E) 1 F) 0