5. A man walks at the speed of 4 km/h. A train coming from behind him at 22 km/h passes by
him in 30 s. Find the length of the train.
Answers
Answered by
3
Answer:
Speed of man = 4kmn
−1
Speed of train = 22kmn
−1
Relative speed of train w.r.t man
=22−4=18kmn
−1
=
18
5
×18=5ms
−1
length of train =5×30=150m
Similar questions