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25.Escape velocity of a body from the surface of earthis 11.2 km/sec. from the earth surface. If the massof earth becomes double of its present mass andradius becomes half of its present radius, thenescape velocity will become :-(1) 5.6 km/sec (2) 11.2 km/sec(3) 22.4 km/sec (4) 44.8 km/sec\Engl02-Gravidion 04-Exe.p65

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a correct answer is (3)



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