The radius of the earth is 6400 km. Calculate the velocity with which a body should be projected so as to escape the earth's gravitational influence.
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Explanation:
radius of earth = R = 6400 km = 6.4 x 106 m, Acceleration due to gravity = 9.8 m/s2. To Find: ve =? Solution: Ans: Thus the body should be thrown with a speed of 11.2 km/s.
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