If a force is applied parallel to a reinforcing phase of a composite material, the elastic modulus is calculated with the rule of _________.
Fill in the blank(s) with the appropriate word(s).
mixtures
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In a gas of different types of molecules all at the same temperature, the speeds of the heavier molecules will generally be _____________ the speeds of the lighter molecules
a. the same as c. less than b. greater than d. unrelated to
Escape velocity is the speed required to:
A) orbit an object. B) overcome the gravitational pull of an object. C) overtake an object in orbit and pass it. D) keep from falling out of orbit around an object. E) maintain a constant distance from an object.
A transformer is to be designed to increase the 30 kV rms output of a generator to the transmission-line voltage of 345 kV rms. If the primary winding has 80 turns, how many turns must the secondary have?
A. 6 B. 70 C. 920 D. 9200 E. 12
Rank these planets in order of the strength of the greenhouse effect on the planet, from the weakest to the strongest greenhouse effect.
A) Mars, Mercury, Earth, Venus B) Mercury, Venus, Earth, Mars C) Mercury, Earth, Mars, Venus D) Mercury, Mars, Earth, Venus E) Mars, Earth, Venus, Mercury