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34.A bomb of mass 1 kg initially at rest, explodes andbreaks into three fragments of masses in the ratio1: 1:3. The two pieces of equal mass fly offperpendicular to each other with a speed 15 m/seach. The speed of heavier fragment is(1) 5 m/s(2) 15 m/s(4) 5/2 m/s(3) 45 m/s

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