Question

A passenger train 100m long is moving with a uniform velocity 45 kmph. The time taken to
cross a stationary goods train of length 1km is

Answer 1

Answer:

If it can travel 45 km in 1 hour, it will travel 1.1 km in 1 min and 28 seconds. Speed of Train = 45 km/h or 45000 metres ÷ 3600 seconds = 12.5 metres per second. Bridge is 1 km long plus 100 metres for length of train = 1.1 km or in metres 1100 ÷ 12.5 metres per seconds Therefore Time = 88 seconds.

Explanation:

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Answer 2

Answer:

$\fbox{Solution}$

88 Secs is the answer.