The acceleration due to gravity at pole and equator can be related as
${g_p} < {g_e}$
${g_p} = {g_e} = g$
${g_p} = {g_e} < g$
${g_p} > {g_e}$
(d)
If the mass of the Sun were ten times smaller and the universal gravitational constant were ten times larger in magnitude, which of the following is not correct?
The acceleration due to gravity is $g$ at a point distant $r$ from the centre of earth of radius $R$. If $r < R$, then
The height of any point $P$ above the surface of earth is equal to diameter of earth. The value of acceleration due to gravity at point $P$ will be : (Given $g=$ acceleration due to gravity at the surface of earth)
If earth has a mass nine times and radius twice to the of a planet $P$. Then $\frac{v_e}{3} \sqrt{x}\; ms ^{-1}$ will be the minimum velocity required by a rocket to pull out of gravitational force of $P$, where $v_e$ is escape velocity on earth. The value of $x$ is
For a satellite to orbit around the earth, which of the following must be true ?
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