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Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star
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Which property is expressed in distance units? o a. period o b. wavelength o c. speed o d. frequency
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You have been hired to design a spring-launched roller coaster thatwill carry two passengers per car. the car goes up a 10-m highhill, then descends 15m to the track's lowest point. you'vedetermined that the spring can be compressed a maximum o 2.0m andthat a loaded car will have a maximum mass of 400kg. for safetyreasons, the spring constant should be 10% larger than the minimumneeded for the car to just make it over the top. a) what spring constant (k) should you specify ? b) what is the maximum speed of a 350 kg car if the spring iscompressed the full amount.
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When doing a marginal analysis a rational firm will only select a choice if the marginal benefits of...
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