1
IIT-JEE 2010 Paper 1 Offline
Numerical
+3
-0
A binary star consists of two stars A (mass 2.2Ms) and B (mass 11Ms), where Ms 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 is
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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 be
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Questions Asked from Gravitation (Numerical)
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