Physics-
General
Easy
Question
A man throws a ball vertically upward and it rises through
and returns to his hands. What was the initial velocity (
) of the ball and for how much time (
) it remained in the air 
,
,
,
,
The correct answer is:
,

and 
Related Questions to study
Physics-
The motion of a particle is described by the equation
where
and
.Its instantaneous velocity at time
will be
The motion of a particle is described by the equation
where
and
.Its instantaneous velocity at time
will be
Physics-General
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A body thrown vertically upwards with an initial velocity
reaches maximum height in 6 seconds. The ratio of the distances travelled by the body in the first second and the seventh second is
A body thrown vertically upwards with an initial velocity
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Two balls of same size but the density of one is greater than that of the other are dropped from the same height, then which ball will reach the earth first (air resistance is negligible)
Two balls of same size but the density of one is greater than that of the other are dropped from the same height, then which ball will reach the earth first (air resistance is negligible)
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The velocity of a body depends on time according to the equation
The body is undergoing
The velocity of a body depends on time according to the equation
The body is undergoing
Physics-General
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A body of mass 10 kg is moving with a constant velocity of
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Physics-General
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Two spheres of same size, one of mas
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Physics-General
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A body A moves with a uniform acceleration
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An object moving with a speed of
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, is decelerated at a rate given by
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Physics-General
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A particle starts its motion from rest under the action of a constant force. If the distance covered in first
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A particle starts its motion from rest under the action of a constant force. If the distance covered in first
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and that covered in the first
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An automobile in travelling at
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A car moves from
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with a uniform speed
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The average speed for this round trip is
Physics-General
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The
and
coordinates of a particles at any time
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and
where
and
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in second. The acceleration of particle at
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and
coordinates of a particles at any time
are given by
and
where
and
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in second. The acceleration of particle at
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Physics-General
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Statement 1: When an automobile while going too fast around a curve overturns, its inner wheels leave the ground first
Statement 2: For a safe turn the velocity of automobiles should be less than the value of safe limit velocity
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Statement 2: For a safe turn the velocity of automobiles should be less than the value of safe limit velocity
Physics-General
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Statement 1: The vector
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Statement 2: Unit vector is one which has unit magnitude and a given direction.
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Statement 2: Unit vector is one which has unit magnitude and a given direction.
Physics-General
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Statement 1: In circular motion, the centripetal and centrifugal force acting in opposite direction balance each other
Statement 2: Centripetal and centrifugal forces don’t act at the same time
Statement 1: In circular motion, the centripetal and centrifugal force acting in opposite direction balance each other
Statement 2: Centripetal and centrifugal forces don’t act at the same time
Physics-General