Size of the Nucleus: If an atomic nucleus containing 64 nucleons has a radius R, what will be the expected radius of a nucleus containing 512 nucleons?
A. R
B. 2R
C. 4R
D. 8R
E. 16R
Answer: B
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In the context of Schwarzschild black holes, the _____ is the boundary between the isolated volume of space-time and the rest of the Universe
A) bridge fragment B) event horizon C) pulsating point D) status curve
A runner starts from rest and with an acceleration of 1.0 
travels a distance of 10 meters. The time it takes the runner to cover the distance is
A. 6.3 s. B. 5.7 s. C. 5.0 s. D. 4.5 s. E. 3.8 s.
A deuteron is accelerated from rest through a 10-kV potential difference and then moves perpendicularly to a uniform magnetic field with B = 1.6 T. What is the radius of the resulting circular path? (deuteron: m = 3.3 × 10?27 kg, q = 1.6 × 10?19 C)
A. 19 mm B. 13 mm C. 20 mm D. 10 mm E. 9.0 mm
Not only does the central engine of active galaxies and quasars require a black hole, but also ________ to provide the radiative energy
A) a source of high-energy electrons for synchrotron radiation B) globular clusters for food C) a very strong magnetic field from neutron stars D) a high rate of rotation for the black hole E) an accretion disk of infalling matter