Physics-
General
Easy
Question
A body A moves with a uniform acceleration
and zero initial velocity. Another body
, starts from the same point moves in the same direction with a constant velocity
. The two bodies meet after a time
. The value of
is
The correct answer is: 
Related Questions to study
Physics-
An object moving with a speed of
, is decelerated at a rate given by
where
is the instantaneous speed. The time taken by the object, to come to rest would be
An object moving with a speed of
, is decelerated at a rate given by
where
is the instantaneous speed. The time taken by the object, to come to rest would be
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
is
and that covered in the first
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, then
A particle starts its motion from rest under the action of a constant force. If the distance covered in first
is
and that covered in the first
is
, then
Physics-General
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An automobile in travelling at
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all other conditions remaining same and assuming no skidding, the minimum stopping distance in metre is
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all other conditions remaining same and assuming no skidding, the minimum stopping distance in metre is
Physics-General
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A car moves from
with a uniform speed
and returns to
with a uniform speed
The average speed for this round trip is
A car moves from
with a uniform speed
and returns to
with a uniform speed
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Physics-General
Physics-
The
and
coordinates of a particles at any time
are given by
and
where
and
are in metre and
in second. The acceleration of particle at
is
The
and
coordinates of a particles at any time
are given by
and
where
and
are in metre and
in second. The acceleration of particle at
is
Physics-General
Physics-
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
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
Physics-General
Physics-
Statement 1: The vector
is a unit vector.
Statement 2: Unit vector is one which has unit magnitude and a given direction.
Statement 1: The vector
is a unit vector.
Statement 2: Unit vector is one which has unit magnitude and a given direction.
Physics-General
Physics-
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
Physics-
Statement 1: Improper banking of roads causes wear and tear of tyres
Statement 2: The necessary centripetal force in that event is provided by the force of friction between the tyres and the road
Statement 1: Improper banking of roads causes wear and tear of tyres
Statement 2: The necessary centripetal force in that event is provided by the force of friction between the tyres and the road
Physics-General
Physics-
Statement 1: A safe turn by a cyclist should neither be fast nor sharp
Statement 2: As the bending of angle from the vertical would decrease
Statement 1: A safe turn by a cyclist should neither be fast nor sharp
Statement 2: As the bending of angle from the vertical would decrease
Physics-General
Physics-
Statement 1: If both the speed of a body and radius of its circular path are doubled, then centripetal force also gets doubled
Statement 2: Centripetal force is directly proportional to both speed of a body and radius of circular path
Statement 1: If both the speed of a body and radius of its circular path are doubled, then centripetal force also gets doubled
Statement 2: Centripetal force is directly proportional to both speed of a body and radius of circular path
Physics-General
Physics-
Statement 1: A football whether kicked at
or
will strike the ground at the same place, although when kicked at
, it will remain longer in the air
Statement 2: Air resistance is more for larger angle
Statement 1: A football whether kicked at
or
will strike the ground at the same place, although when kicked at
, it will remain longer in the air
Statement 2: Air resistance is more for larger angle
Physics-General
Physics-
Statement 1: The resultant of three vectors
and
and
as shown in figure is
.
is the radius of circle
Statement 2:
is along
and (
)
is along
.
Statement 1: The resultant of three vectors
and
and
as shown in figure is
.
is the radius of circle
Statement 2:
is along
and (
)
is along
.
Physics-General
Physics-
Statement 1: When the velocity of projection of a body is made
time, its time of flight becomes
times
Statement 2: Range of projectile does not depend on the initial velocity of body
Statement 1: When the velocity of projection of a body is made
time, its time of flight becomes
times
Statement 2: Range of projectile does not depend on the initial velocity of body
Physics-General
Physics-
Statement 1: At the highest point of projectile motion given angular projection, the velocity is not zero
Statement 2: Only the vertical component of velocity is zero whereas horizontal component still exists
Statement 1: At the highest point of projectile motion given angular projection, the velocity is not zero
Statement 2: Only the vertical component of velocity is zero whereas horizontal component still exists
Physics-General