A train travelling at a speed of 75 mph enters a tunnel miles long. The train is mile long. How long does it take for the train to pass through the tunnel from the moment the front enters to the moment the rear emerges?
A) 2.5 min
B) 3 min
C) 3.2 min
D) 3.5 min
Answers
Answered by
2
3.2 sorry I do not
Know the answer but i am do for points
Know the answer but i am do for points
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0
Answer:
75 = (3+1)/crossing time
4/75 = crossing time
4/75 hr
4×60/75 = 3.2 mins
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