IIT JEE Advanced 2010 Paper 1

Gravitational acceleration on the surface of a planet is

√6

11

g, where g is the gravitational acceleration on the surface of the Earth. The average mass density of the planet is 2/3 times that of the Earth. If the escape speed on the surface of the Earth is taken to be 11 kms−1, the escape speed on the surface of the planet in kms−1 will be _____. Chapter