# A probe to sun - 3

A payload is fired from Earth's surface with initial speed $$v_0 = 2\times 10^4$$ m/s. If the mass and radius of earth are $$M = 6\times 10^{24}$$ Kg and $$R = 6.4\times 10^6$$ m, find the payload's speed when it is very far from the Earth (in m/s).

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