Question

5.
A train 280 metres long is running at a speed of 42 km/hr. How much time will it
take to pass a man standing on a platform?​

Answer 1

24 s.

I hope It will help you

Answer 2

Step-by-step explanation:

speed of train= 42 km/h=42km/h *5/18=35/3 m/s

length of train=280m

#to pass the man standing on platform the train has to cover the distance of itself that is 280 m.

now.

time=distance/speed=280m ÷ 35/3

=280×3/35=56×3/7=168\7 seconds=

24 seconds