Physics
General
Easy
Question
Consider a vector . Another vector that is perpendicular to is

 6
 7

The correct answer is: 6
Since is lying in plane, hence the vector perpendicular to must be lying perpendicular to plane along axis.
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A circular road of radius has banking angle The maximum safe speed of a car having mass will be, if the coefficient of friction between tyre and road is 0.5
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NH_{3} has a much higher boiling point than PH_{3} because
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An object is moving in a circle of radius 100 m with a constant speed of . What is its average speed for one complete revolution?
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physicsGeneral
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Two wires and are tied at of small sphere of mass 5 kg, which revolves at a constant speed in the horizontal circle of radius 1.6 m. The minimum value of is
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physicsGeneral
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Two stones are projected with the same velocity in magnitude but making different angles with the horizontal. Their ranges are equal. If the angel of projection of one is and its maximum height is , the maximum height of the other will be
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physicsGeneral
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A particle is projected with a speed at with the horizontal. The magnitude of angular momentum of the projectile about the point of projection when the particle is at its maximum height is
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A body of mass 1kg is rotating in a vertical circle of radius 1m. What will be the difference in its kinetic energy at the top and bottom of the circle? (Take )
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A particle of mass moves with constant speed along a circular path of radius under the action of force . Its speed is
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A particle is moving in a straight line with initial velocity of 200 ms^{1} acceleration of the particle is given by . Find velocity of the particle at 10 second.
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physicsGeneral