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Express the answer in two significan figures Part A A 8300-kg boxcar traveling at 12 m/s strikes a second boxcar at rest. The two stick

Express the answer in two significan figures

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Part A A 8300-kg boxcar traveling at 12 m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 4.5 m/s . What is the mass of the second car? Express your answer to two significant figures and include the appropriate units. HA ? m2 = Value kg Submit Request

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