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1 किग्रा व 2 किग्रा द्रव्यमान के कणों के किसी क्षण वेग क्रमश: `hati - hatj` तथा`hati + hatj - 3 hatk ` है | इस निकाय के द्रव्यमान केन्द्र का वेग ज्ञात

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1 किग्रा व 2 किग्रा द्रव्यमान के कणों के किसी क्षण वेग क्रमश: `hati - hatj` तथा`hati + hatj - 3 hatk ` है | इस निकाय के द्रव्यमान केन्द्र का वेग ज्ञात कीजिये |
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`hati + hatj - 2hatk `
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