Question

A train 200 metres long and travelling at a speed of 60 km/h will cross a
pole in
(A) 5 sec
(B) 6 sec
(C) 12 sec (D) 20 sec


bro I know the question answer its 5 sec but I want just explanation so please tell me the explanation that how the answer will come 5 sec plz​

Answer 1

Answer:

12 second

Step-by-step explanation:

Speed=Distance÷Time

So total distance to be travel = length of train (200 m) +pole (0 m i.e. negligible)

Total distance = 200 m

Speed =60km/hr = (5÷18)*60 = 16.66667 m/s

Time=Distance÷speed

Time =200÷16.66667= 12 seconds