Question

suppose you're standing on the platform of a railway station .there is a trains there is a train passing by without stopping it travel at 20 metre per second and takes 6.9 second to pass you what is the length of the train

Answer 1

Dear Student,
Speed of train = 20 m/s
Time = 6.9 sec
We know that,
Speed = Distance/ time
Distance = Speed × time
= 20 × 6.9
= 138 m
Hence, the length of train is 138 m.
Regards