Question

What is speed of train in m/s if it's speed is 54 km/h?​

Answer 1

Explanation:

to translate km/h into m/s, we multiply the number with 5/18 . so,

54×5/18

=15m/s

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Answer 2

Explanation: Speed of the train is 54 × 5 / 18 = 15 m/s.

Length of the train is 20 × 15 = 300 m.

Length of platform + train= 36 × 15 = 540 m.

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