Gravitation

Physics
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The escape velocity of a sphere of mass is given by

A
B
C
D
Easy
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The gravitational field is a conservative field. The work done in this field by moving an object from one point to another

A
depends on the end-points only.
B
depends on the path along which the object is moved.
C
depends on the end-points as well as the path between the points.
D
is not zero when the object is brought back to its initial position.
Easy
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