answer me 9th no. question
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F = GMm/R^2
where,
G is gravitational constant
= 6.67×10^-11 kg m/s^2
M is mass of earth
= 6×10^24 Kg
m is mass of the object
= 1 kg
R is radius of the earth
= 6.4×10^6 m
F = GMm/R^2
= 6.67×10^-11×6×10^24×1/(6.4×10^6)^2
= 6.67×6×10^(-11+24)/(6.4×10^6) (6.4×10^6)
= 40.02×10^13/40.96×10^12 kg m/s^2
Hope it was helpful....
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