1

IIT-JEE 2010 Paper 1 Offline

Numerical

+3

-0

A binary star consists of two stars A (mass 2.2M

_{s}) and B (mass 11M_{s}), where M_{s}is the mass of the sun. They are separated by distance d and are rotating about their centre of mass, which is stationary. The ratio of the total angular momentum of the binary star to the angular momentum of star B about the centre of mass isYour input ____

2

IIT-JEE 2010 Paper 1 Offline

Numerical

+3

-0

Gravitational acceleration on the surface of a planet is $${{\sqrt 6 } \over {11}}g$$, where $$g$$ is the gravitational acceleration on
the surface of the earth. The average mass density of the planet is $${2 \over 3}$$
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 beYour input ____

Questions Asked from Gravitation (Numerical)

Number in Brackets after Paper Indicates No. of Questions

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