Home
Class 11
PHYSICS
A satellite with kinetic energy E(k) is ...

A satellite with kinetic energy `E_(k)` is revolving round the earth in a circular orbit. How much more kinetic energy should be given to it so that it may just escape into outer space

A

`E_k`

B

`2E_k`

C

`1/2 E_k`

D

`3 E_k`

Text Solution

Verified by Experts

The correct Answer is:
A
Binding energy = – Kinetic energy
Extra KE = `E_k`.
Promotional Banner

Similar Questions

Explore conceptually related problems

A satellite is revolving round the earth in circular orbit

The gravitational potential energy of satellite revolving around the earth in circular orbit is 4MJ . Find the additional energy (in MJ ) that should be given to the satellite so that it escape from the gravitational field of the earth.

When the earth revolves round the sun in an elliptical orbit, its kinetic energy is

If the kinetic energy of a satellite orbiting around the earth is doubled then

To required kinetic energy of an object of mass m , so that it may escape, will be

A satellite revolving round the earth in a circular orbit with orbital velocity v_(0) . It has kinetic energy E. The additional kinetic energy required to be given to it so that it esscapes from the earth is

The ratio of the kinetic energy required to be given to a satellite to escape from the earths gravity to the kinetic energy required to be given to it so that it moves in a circular orbit just above the eart's surface is:

A satellite is moving with constant speed V in a circular orbit around earth. The kinetic energy of the satellite is

The energy of a satellite revolving round the earth in a circular orbit is increased but keeping its energy less than zero, then the average radius of the new orbit of the satellite will