A supermassive black hole erupts when ____
a. it collides with a neutron star
b. magnetic fields form tubes to channel the jets
c. the accretion disk tilts to a new angle
d. a sudden flood of matter flows inward producingan accretion disk
e. starburst events irradiate the accretion disk with new energy
d
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The total kinetic energy in one mole of an ideal gas is 4,000 J. If the gas is nitrogen, what is the root mean square velocity of an individual particle in the ideal gas? (N2 = 28u)
A. 678 m/s B. 545 m/s C. 486 m/s D. 402 m/s E. 376 m/s
What does partial melting have to do with silica content of a magma?
What will be an ideal response?
Determine the equivalent capacitance of the combination shown when C = 12 pF
a.
48 pF
b.
12 pF
c.
24 pF
d.
6.0 pF
e.
59 pF
Tides occur because the gravitational force of the Moon on Earth ____ with increasing distance from the Moon
a. stays constant b. increases c. decreases