A man stands by a railway track. A train travelling at 40 m/s takes 2.0 s to pass the man. What is the length of the train?

Question

A man stands by a railway track.
A train travelling at 40 m/s takes 2.0 s to pass the man.
What is the length of the train?
40 m
D
80m
A 20m
B 38 m

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Eirian 4 years 2021-08-29T13:08:24+00:00 1 Answers 28 views 0

Answers ( )

  1. taiduc
    0
    2021-08-29T13:09:34+00:00
    Reply

    Answer:

    length of train is 80m

    Explanation:

    40*2

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )