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Find the escape velocity of a body from the earth. [R (earth) = 6.4 × 10^6 ρ(earth) = 5.52 × 10^3 kg/m^3, G = 6.67 × 10^-11 N.m^2/kg^2]

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Find the escape velocity of a body from the earth. 

[R (earth) = 6.4 × 106 ρ(earth) = 5.52 × 103 kg/m3, G = 6.67 × 10-11 N.m2/kg2]

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Data: R = 6.4 × 106 m, ρ = 5.52 × 103 kg/ m3, G = 6.67 × 10-11 N.m2/kg2

The escape velocity of a body from the earth

= 11.24 x 103 m/s = 11.24 km/s.

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