Question

If a train at 42 kmph passes 100 m long bridge in 18 seconds. Find the
length of the train ?​

Answer 1

Step-by-step explanation:

So to convert kilometre per hour to metre per second we have to multiply 1000/3600 (= 5/18) to km per hour. =>60km/hr = 60 x 5/18m/s = 50/3m/s = 16.67m/s.

Answer 2

Answer:

easy first follow than anwser