Question

A train takes 8 seconds to pass a

ATQ, Let assume the speed of the train is p ms ATQ 400 10 p 8 Or, 400 80 8p Or, 400 - 80 8p Or, 8p 320 Or, p 40 Required speed of the train 40 ms

dog running in the opposite direction to the train at a speed of 10 m/s. Given that the train is 400 meters long, determine the train's speed.

A 45 m/s

B 40 m/s

C 30 m/s

D 48 m/s

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