Escape Velocity: JEE Questions & Solutions

The escape velocity from a spherical planet A is 10 km/s. The escape velocity from another planet B, whose density and radius are 10 of…

Earth has mass 8 times and radius 2 times that of a planet. If the escape velocity from the earth is 11.2 km/s, the escape velocity in km/s…

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The kinetic energy…

An object is kept at rest at a distance of 3R above the earth’s surface where R is earth’s radius. The minimum speed with which it must be…

The escape velocity of a body from Earth is 11.2 km/s. If the radius of a planet is one-third the radius of Earth and its mass is one-sixth…

If Earth has a mass 9 times and radius 2 times that of a planet P, then Ve3 x m s^-1 will be the minimum velocity required by a rocket to…

The escape velocities of two planets A and B are in the ratio 1: 2. If the ratio of their radii respectively is 1: 3, then the ratio of…

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Earth has atmosphere…

A space ship of mass 2 10^4 kg is launched into a circular orbit close to the earth surface. The additional velocity to be imparted to the…

The ratio of escape velocity of a planet to the escape velocity of Earth will be: Given: Mass of the planet is 16 times the mass of Earth…

Given below are two statements: Statement I: For a planet, if the ratio of mass of the planet to its radius increases, the escape velocity…