Q 1957078884.     A satellite orbits the earth at a height of `400
km` above the surface. How much energy must
be expended to rocket the satellite out of the
gravitational influence of the earth? Mass of
the satellite is `200 kg`, mass of the earth
`= 6 xx 10^(24) kg`, radius of the earth `= 6.4 xx 10^6
m, G = 6.67 xx 10^(-11) Nm^2//kg^2`

NCERT Chapter Solution 8/8.19

Solution for all Exercises of Physics Class 11 Chapter 8- GRAVITATION

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