a particle moves in horizontal circle of radius 15 cm inside an inverted smooth hollow
hemisphe...
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Acompound machine is also called a machine. a. force b. simple c. complex d. directional
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Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?
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When flexing to a reflective style, one should be specific, brief and to the point, and maintain a fast and decisive pace?
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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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