Question

?
The speed of the train is 30 km/h. How long
will it take to cross a signal if its length
is 25m​

Answer 1

Answer:

3 seconds

Step-by-step explanation:

Speed = 30 km/h = 150/18 m/s

Distance= 25 m

Time=D/S

(25*18)/150

450/150

= 3 seconds

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