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What is the kinetic energy of a 625,000-gram roller coaster car that is moving with a speed of 18.3 m/s?____Joules

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 May 12, 2020
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K.E.  =  ½·m·v2

 

m  =  625,000 grams     

v  =  18.3 m/s

 

joules are in kg·m2/sec2

 May 13, 2020

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