Jupiter and the other jovian planets are sometimes called "gas giants." In what sense is this term misleading?
A) They actually contain relatively little material in a gaseous state.
B) The materials they are made of are not the kinds of thing we usually think of as gases.
C) They are not in any sense "giants."
D) Actually, it's a great description because these worlds are big and gaseous throughout.
A) They actually contain relatively little material in a gaseous state.
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The highest-strength carbon steels with some ductility have a microstructure described as:
(a) Martensite. (b) Pearlite. (c) Bainite. (d) Tempered martensite.
After the first solid grains formed in our solar system, these particles could then grow by the process of ____________, the collision and sticking of one particle with another to continue the formation of planetesimals. Each of these has many atoms or molecules
a. accretion b. sublimation c. hydration d. condensation e. vaporization
How many nanoseconds does it take for a computer to perform one calculation if it performs 6.7 × 107 calculations per second?
A) 15 ns B) 67 ns C) 11 ns D) 65 ns
A parallel-plate capacitor has a capacitance of 10 mF and is charged with a 20-V power supply
The power supply is then removed and a dielectric material of dielectric constant 4.0 is used to fill the space between the plates. What is the voltage now across the capacitor? A) 2.5 V B) 10 V C) 5.0 V D) 80 V E) 20 V