CUSAT 2021 BTech Solved Paper Shift 2

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Question : 63 of 250
 
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A shell of mass 10‌kg is moving with a velocity of 10ms−1. Then it blasts and forms two parts of mass 9‌kg and 1‌kg respectively. If the 1‌st ‌ mass is stationary, the velocity of the 2‌nd ‌ is
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