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21.If an object is projected from surface of Earth with speed of K times of escape speed, then interstellar speed of object will be (g=accleration due to gravity at Earth's surface, R=radius of Earth

Answer» 21.If an object is projected from surface of Earth with speed of K times of escape speed, then interstellar speed of object will be (g=accleration due to gravity at Earth's surface, R=radius of Earth


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