Answers

2014-07-03T12:27:29+05:30
Ma=1500. Va=25m/s. Mb=1000. Vb=15 m/s. ///V2={ (Ma * Va )+ (Mb * Vb) /( Ma + Mb )}./// = {(1500 kg * 25m/s )+ ( 1000 kg * 15 m/s ) / 2500 }. =22.8 m/s.
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