Question

A train 28 M long is running at a speed of 42 k/h how much time will it take to pass a man standing on a platform​

Answer 1

Answer:

speed is distance upon time

0.04 hrs

Answer 2

Answer:

16.8 seconds

Step-by-step explanation:

Length of train = 28 m

Speed of train  = 42 km/h

                       = 42 X 1000/3600

                       = 35/3 m/s.

We know that, t = s/v

                          = 28/(35/3)

                          = 28 X 3/35

                          = 16.8 seconds