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A freight train consists of two 8.3 • 104 kg engines and 45 cars with average masses of 5.75 • 104 kg each. m = 8.3 • 104 kg m2 = 5.75 • 104 kg f = 7.3 • 105 N
What force must each engine exert backwards to accelerate the train 5.00 • 10–2 m/s2
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