ThetrainPandQmovingatparallelwithuniformspeed20m/sec.ThedriveroftrainPdecidetoovertaketrainsQsoacceleratedby1m/sec squre. After50secondtrainPcrosstheengintrainQ.Whatwasthedistancebetweenttraininitiallylenthoftheeachtrain400meter
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Space
Explanation:
Space bar naam ki vastu ka Naam suna he bewde
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