1
JEE Advanced 2015 Paper 1 Offline
Numerical
+4
-0
A bullet is fired vertically upwards with velocity v from the surface of a spherical planet. When it reaches
its maximum height, its acceleration due to the planet’s gravity is $${\left( {{1 \over 4}} \right)^{th}}$$ of its value at the surface of the
planet. If the escape velocity from the planet is $${v_{esc}} = v\sqrt N $$, then the value of N is (ignore energy loss due
to atmosphere)
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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
Your input ____
3
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
Your input ____
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Questions Asked from Gravitation (Numerical)
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