Math, asked by wwwkaranrajakpcnxaw, 1 year ago

a man walking at 5 km per hour notice that 225 M long train coming in the opposite direction cross domain 9 second the speed of a train is

Answers

Answered by kspaneserpcd1d9
2
if speed of train is x kmph time for crossing 9/3600 hr from s/v =t we have 0.225/(5+x)=1/400 gives x=85 kmph
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