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10. A remote-sensing satellite of earth revolves in acircular orbit at a height of 0.25 x 106 m above thesurface of earth. If earth's radius is 6.38 x 106 mand g 9.8 ms2, then the orbital speed of thesatellite isRe-AIPMT-2015](1) 6.67 km s-1(3) 8.56 km s(2) 7.76 km s-1(4) 9.13 km s-1 |
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