Answer :
One and a half miles of distance is required for a train to stop when traveling 50 miles per hour.
Rate of change in position, or speed, is equal to distance traveled divided by time. To solve for time, divide the distance traveled by the rate.
Rearranging the formula,
Speed = distance / time.
Distance = speed × time.
Time = distance / speed.
Hence,
Distance = Speed × Time
⇒ Distance = 50 × 60 / 2000
⇒ Distance = 1.5 miles
⇒ Thus, the distance which is required to stop a train is 1.5 miles, which is, One and a half miles.
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