Physics-
General
Easy
Question
The dumbell is placed on a frictionless horizontal table. Sphere A is attached to a frictionless pivot so that B can be made to rotate about A with constant angular velocity. If B makes one revolution in period P, the tension in the rod is

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A hollow vertical cylinder of radius R is rotated with angular velocity w about an axis through its center. What is the minimum coefficient of static friction necessary to keep the mass M suspended on the inside of the cylinder as it rotates?

A hollow vertical cylinder of radius R is rotated with angular velocity w about an axis through its center. What is the minimum coefficient of static friction necessary to keep the mass M suspended on the inside of the cylinder as it rotates?

Physics-General
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are the roots of the equation
then 
are the roots of the equation
then 
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then the value of
is
then the value of
is
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and
then the triangle
is
and
then the triangle
is
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if
are the roots of the equation,
then
if
are the roots of the equation,
then
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then which one of the following is true
then which one of the following is true
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