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     EduGorilla 
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    The brakes of a train reduce its speed from 50 to 20 kmph while it runs 300 meters. Assuming that there exists a constant retarding force find how much time(in sec) will it take to come to rest?

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    Reply To: The brakes of a train reduce its speed from 50 to 20 kmph while it runs 300 meters. Assuming that th….
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