Physics, 10.03.2020 00:06 Andresssophie7379
An athlete whirls a 7 kg hammer tied to the end of a 1.3 m long chain in a horizontal circle. The hammer makes one revolution in 1 s. What is the centripetal force (and direction!)acting on the hammer
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Why do some scientists and archeologists think that volta was not the first person to build a battery
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How can you improve the percent yield of copper in this lab? check all possible strategies that will you do so. measure reactants precisely. stir to the reaction take place. chill the reactants before combining them. wait patiently until the reaction completes. make sure to recover as much copper as possible.
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An athlete whirls a 7 kg hammer tied to the end of a 1.3 m long chain in a horizontal circle. The ha...
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