An object projected with a velocity greater than or eual to 11.2 `km.s^(-1)` will not return to earth. Explain the reason.

A body is projected upwards with a velocity of 3 xx 11.2 "km s"^(-1) from the surface of earth. What will be the velocity of the body when it escapes from the gravitational pull of earth ?

A body is projected upwards with a velocity of 4 xx 11.2 "km s"^(-1) from the surface of earth.What will be the velocity of the body when it escapes from the gravitational pull of earth ?

A body is projected upwards with a velocity of 4 xx 11.2 "km s"^(-1) from the surface of earth.What will be the velocity of the body when it escapes from the gravitational pull of earth ?

The orbital velocity of a body at height h above the surface of Earth is 36% of that near the surface of the Earth of radius R. If the escape velocity at the surface of Earth is 11.2 km s_(-1) , then its value at the height h will be

The escape speed of a projectile on the earth's surface is 11.2 km s^(-1) . A body is projected out with thrice this speed. What is the speed of the body far away from the earth? Ignore the presence of the sun and other planets.

The escape speed of a projectile on the earth's surface is 11.2 km s^(-1) . A body is projected out with thrice this speed. What is the speed of the body far away from the earth? Ignore the presence of the sun and other planets.