A supertanker filled with oil has a total mass of 6.1 × 10^8 kg. If the dimensions of the ship are those of a rectangular box 300 meters long, 80 meters wide, and 40 meters high, determine how far the bottom of the ship is below sea level. (?sea = 1 020 kg/m3.)
a. 10 m
b. 15 m
c. 20 m
d. 25 m
e. 30 m
d
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Exclusion Principle: The orbital angular momentum quantum number can take which of the following values for any given value of the principal quantum number, n?
A. ? = 0, 1, 2, . . . B. ? = 0, 1, 2, . . . , n C. ? = 0, 1, 2, . . . , (n - 1) D. ? = 1, 2, 3, 4, . . . E. ? = 1, 2, 3, 4, . . ., (n + 1)
Relate the inflationary theory to the GUTs
What will be an ideal response?
A steel stack of 4 m diameter is 60 m high and is used to exhaust gases that are at an average temperature of 600ºC. The stack wall temperature is 1000 when the surrounding air temperature is 20ºC. Estimate the stack gas velocity.
What will be an ideal response?
The largest known black holes:
A) create the dark nebulae in the plane of the Milky Way. B) can be no more than 1.4 solar masses, according to Chandrasekhar. C) lie in the cores of the most massive galaxies. D) can be no bigger than a small city, just like neutron stars. E) can be no bigger than the Earth, like white dwarfs.