Task id10293
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Task id10293
A fifth of the train is separated from a train traveling at a constant speed of 64 km/h. After some time, the speed of the separated cars decreased by 2 times. Assuming that the traction force did not change during the break, find the speed (km/h) of the head of the train at this moment. The frictional force is proportional to the weight.
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Detailed solution. Format jpg
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