Question

.What do you mean by escape velocity? Derive its expression on the surface af a planet.Also find its value on the surface of earth.​

Answer 1

Answer:

Escape velocity is the minimum value required by an object such that it gets out of the atmosphere of that planet when it is moved with such velocity

Explanation:

Escape velocity on the surface of earth is 11.2 km/s

Answer 2

Answer:

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.

Escape Velocity of Earth= 11.2 km/s.

Explanation:

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