Question

explain escape velocity and derive its expression(class11 physics)​

Answer 1

Answer:

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Explanation:

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Answer 2

Escape velocity: -The minimum speed with which a body must be projected

in order that it will escape from the earth gravitational filed is called as

escape velocity.

Expression of it:-consider a body of mass m on the surface of earth

whose mass and radius are respectively represented by M and R.

and earth is

In order to projector body into the space overcoming the earth's

gravitational field it must be give a kinetic energy which is equal to

potential energy.

therefore;

kinetic energy is equal to potential energy.