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Match the following {:(,"Column I",,"Column II"),((A),"Escape speed at the centre of earth",(p),sqrt((2)/(3)(GM_(e))/(R_(e)))),(,("mass " M_(e) " radius "R_(e)),,),((B),"Escape speed at the centre of mass of two bodies",(q),sqrt((4)/(3)(GM_(e))/(R_(e)))),(,("earth of mass " M_(e))" separated by distance " R_(e),,),((C ),"Orbital velocity of a satellite about a planet of",(r ),sqrt((3GM_(e))/(R_(e)))),(,"mass " 2 M_(e)" and radius " (R_(e))/(2)." The height of",,),(,"the satellite about planet surface is " h = R_(e),,),((D),"The horizontal velocity imparted to a satellite",(s),sqrt((8GM_(e))/(R_(e)))),(,"at height " h(=R_(e))" above earth's surface such",,),(,"that satellite moves in elliptical path of apogee " 4R_(e),,),(,"Take "M_(e)=6xx10^(24)Kg "and " R_(e )=6400 km",(t),22.4 km/s):} |
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