Question

what is the minimum value of escape velocity for a body thrown upwards such that it never returns to earth?​

Answer 1

Explanation:

The escape velocity of a body from the surface of earth is the minimum velocity of projection of the body from the surface, which would take the body just beyound the gravitational field of earth. Once the body crosses the gravitational field of earth, it will never return to earth on its own. The body is said to have esacped. If

is mass of earth and

is radius of earth, then esacpe velocity, <br>

. The value of

does not depend upon mass of the body. <br> Read the above passega and answer the following questions : <br> (i) What is the escape velocity from the surface of earth for a body of mass

and for another body of mass

Answer 2

Answer:

its value is 11.19 kilometers per second

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