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A research satellite of mass 200 kg circles the earth in an orbit of average radius 3R/2 where R is the radius of the earth. Assuming the gravitational pull on a mass of 1 kg on the earth’s surface to be 10 N, the pull on the satellite will be

(a) 880 N (b) 889 N

(c) 890 N (d) 892 N

Answer: a

(6)

5/5 - (1 vote)

PrevPreviousIf the value of ‘g’ acceleration due to gravity, at earth surface is 10 m/s2 , its value in m/s2 at the centre of the earth, which is assumed to be a sphere of radius ‘R’ metre and uniform mass density is

Next70. Four solids are shown in cross section. The sections have equal heights and equal maximum widths. They have the same mass. The one which has the largest rotational inertia about a perpendicular through the centre of mass isNext

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