Physics, asked by jabaharsarkar9575, 1 year ago

How to find the length of the train when the speed of train and the man and the time through which it passes by him is given?

Answers

Answered by gokulavarshini
0
Let l be the length of the train. Then:
l+90/30=V
l/15=V
l+90/30=l/15
30l=15l+1350
15l=1350
l=90
If the length of the train is 90m, and it passes a man in 15 seconds, then its’ speed is 90/15, or 6 m/s
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