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(c) d = 2h
(a) r¹/²
(c) Weight of a person first decreases with height and then increases with height from surface of earth
(c) 1 : 2
(c) (2E mₛrₛ 2)½
The change in the value of ‘g’ at a height ‘h’ above the surface of the earth is same as at a depth ‘d’ below the surface of earth. When both ‘d’ and ‘h’ are much smaller than the radius of earth, then which one of the following in correct?
(c) d = 2h
(c) d = 2h
See lessA satellites goes along an elliptical path around earth. The rate of change of area swept by the line joining earth and the satellite is proportional to
(a) r¹/²
(a) r¹/²
See lessIf one moves from the surface of the earth to the moon, what will be the effect on it’s weight
(c) Weight of a person first decreases with height and then increases with height from surface of earth
(c) Weight of a person first decreases with height and then increases with height from surface of earth
See lessA mass M splits in to two parts m and (M-m), which are separated by a certain distance. The ratio m/M which maximizes the gravitational force between the parts is
(c) 1 : 2
(c) 1 : 2
See lessA satellite of mass ms revolving in a circular orbit of radius rs round the earth of mass M, has total energy E. Than it’s angular momentum will be
(c) (2E mₛrₛ 2)½
(c) (2E mₛrₛ 2)½
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