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kramer
3 years ago
9

two passenger train traveling in opposite directions meet and pass each other. Each train is 1/18 miles long and is traveling at

40 miles per hr. How many seconds after the front parts of the trains will meet their rear parts pass each other.​
Mathematics
1 answer:
xz_007 [3.2K]3 years ago
6 0

9514 1404 393

Answer:

  5 seconds

Step-by-step explanation:

Suppose the front parts of the trains meet at point A. Since both are the same length and traveling the same speed, each will pass point A in time ...

  time = distance/speed

  time = (1/18 mi)/(40 mi/h) = (1/720 h) × (3600 s)/(1 h) = 5 s

That is, the rear part of each train will be at point A 5 seconds after the front part.

The rear parts will pass each other 5 seconds after the front parts meet.

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