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The velocity of a body becomes 4 times and its mass becomes half. The Kinetic energy becomes :(1) 8 times(2) 6 times(3) 2 times(4) 16 times |
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Answer» V वेग और m द्रव्यमान पर गतिज ऊर्जा = 1/2 mv² जब वेग 4 गुना और द्रव्यमान आधा हो जाऐ तो गतिज ऊर्जा = 1/2 *m/2 * (4V)² = 1/2 * m/2 * 16v² = 8 * 1/2*mv² वेग 8 गुना हो जाएगा । |
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