Question

A train 75 meters long takes 18 seconds to cross a signal.Then speed of train is

Answer 1

Answer:

Distance taken by train =75

Time taken by train =18

then speed =distance / time take

S=75/18

speed =4.16 m/s

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Answer 2

Explanation:

Length of train = 75 metres

Time taken to cross the signal = 18 seconds

Speed = 75÷18= 4.16m/s

= change metre per second into kilometres per hour

4.16×18÷5

=14.97km/h