Centripetal Force
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Q. Imagine a new planet having the same density as that of earth but it is 3 times bigger than the size. If the acceleration due to gravity on the surface of earth is g and that on the surface of the new planet will be?
Q. 57.Two planets of radii in the ratio 2:3 are made from the material of density in ratio 3:2 Then the ratio of acceleration due to gravity g1/g2 at the surface of the two planets will be
Q.
Two particles of equal masses are revolving in circular paths of radii r1 and r2 respectively with the same speed. The ratio of their centripetal forces is