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Escape velocity of a particle from the earth is approximately. (A) 7 km/s (B) 1.1 km/s (C) 11.2 km/s (D) 112 km/s |
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Answer» (C) 11.2 km/s Escape velocity is given by Ve = \(\sqrt{2gR}\) = \(\sqrt{2×9.8×6.4 ×10^8}\) = 11. 2 km/s |
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