If the angular velocity of the earth's spin is increased such that bodies at equator start floating, the duration of the day would be approximately:
At what altitude above the Earth's surface does the acceleration due to gravity
NextA planet has double mass of earth and same density. Weight of object becomes:
If gravitational force varies as R^(-3/2), time period varies as:
EasyThe ratio of the mass of two planets is 2 : 3 and ratio of their radii is 3 : 2. The ratio of accele
EasyWhat is the change in potential energy (in calories) of a 10 kg mass after 41.8 m fall ?
EasyThe graph showing the variation of gravitational potential of Earth with distance from the centre of
EasyWhich of the following is true for a planet moving around the sun?
EasyA particle falls on earth : (i) from infinity (ii) from a height 10 times the radius of earth. The r
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