physics

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An MRT tunnel is 418m long. Calculate the time it will take the 108-m long train , travelling at 72km/h to pass completely through the tunnel, leaving your answer in seconds

• physics -

V = 72000m/3600s. = 20 m/s.

d = V*t = 418+108 = 526 m.
t = 526/V = 526/20 = 26.3 s.

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