The bathyscaphe Trieste consists of a cylindrical hull, 15.2 m long and 3.66 m in diameter, filled with gasoline with a density of 880 kg/m3 to make it buoyant
If it is totally submerged in salt water with a density of 1025 kg/m3 and neither rising nor sinking, what is the weight of the craft? A) 127 kN
B) 227 kN
C) 327 kN
D) 427 kN
E) 527 kN
B
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A cube of aluminum is at a depth of 1.00 km under water whose density is 
The bulk stress on the cube due to the water is
A. 
B. 
C. 
D. 
E. 
The most important fact about a cluster of stars that makes them useful for studying star formation is that
A) all the stars formed from the same cloud. B) all the stars formed at about the same time. C) all the stars are at the same distance from Earth. D) all the stars have the same chemical composition. E) all the stars are the same spectral type.
A transformer with 800 turns on the primary coil is used to decrease the voltage from 2000 V to 120 V for home use. How many turns should be in the secondary coil?
Magnetic flux depends upon
A) the magnetic field. B) the orientation of the area with respect to the field. C) the area involved. D) all of the above E) none of the above