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According to social exchange theory, altruistic behaviors benefit the individual who performs them. t/f
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What is the final velocity of the initial velocity of 25 and -50?
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Which statement best describes copper? a. it has a low resistance and prevents charges from moving freely. b it has a high resistance and allows charges to move freely. c. it has a high resistance and prevents charges from moving freely. d. it has a low resistance and allows charges to move freely
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Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct
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The specific heat of copper is 385j/kg•k. If a 2.6 kg block of copper is heated from 300 k to 450k,...
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