Physics-
General
Easy
Question
A cat moves from
to
with a uniform speed
and returns toX with a uniform speed
. The average speed for this ground trip is
The correct answer is: 
Average speed 
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Acceleration of a particle changes when
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A particle starts from rest, acceleration at
for
and then goes with constant speed for
and then decelerates at
till it stops. What is the distance travelled by it
A particle starts from rest, acceleration at
for
and then goes with constant speed for
and then decelerates at
till it stops. What is the distance travelled by it
Physics-General
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One car moving on a straight road covers one third of the distance with
and the rest with
. The average speed is
One car moving on a straight road covers one third of the distance with
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. The average speed is
Physics-General
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From the top of tower, a stone is thrown up. It reaches the ground in
second. A second stone thrown down with the same speed reaches the ground in
second. A third stone released from rest reaches the ground in
second. Then
From the top of tower, a stone is thrown up. It reaches the ground in
second. A second stone thrown down with the same speed reaches the ground in
second. A third stone released from rest reaches the ground in
second. Then
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The numerical ratio of displacement to the distance covered is always
The numerical ratio of displacement to the distance covered is always
Physics-General
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A river is flowing from
to
with a speed of
. A man can swim in still water with a velocity
. In which direction should the man swim so as to take the shortest possible path to go to the south
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to
with a speed of
. A man can swim in still water with a velocity
. In which direction should the man swim so as to take the shortest possible path to go to the south
Physics-General
Physics-
The displacement of a particle undergoing rectilinear motion along the
-axis is given by
. The acceleration of the particle when its velocity is zero is
The displacement of a particle undergoing rectilinear motion along the
-axis is given by
. The acceleration of the particle when its velocity is zero is
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An aeroplane files
north and
south and then files
upwards then net displacement is
An aeroplane files
north and
south and then files
upwards then net displacement is
Physics-General
Physics-
Two bodies are thrown simultaneously from a tower with same initial velocity
: one vertically upwards, the other vertically downwards. The distance between the two bodies after time
is
Two bodies are thrown simultaneously from a tower with same initial velocity
: one vertically upwards, the other vertically downwards. The distance between the two bodies after time
is
Physics-General
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The acceleration
in
of a particle is given by
where
is the time. If the particle starts out with a velocity
at
then the velocity at the end of 2
is
The acceleration
in
of a particle is given by
where
is the time. If the particle starts out with a velocity
at
then the velocity at the end of 2
is
Physics-General
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What is the relation between displacement, time and acceleration in case of a body having uniform acceleration
What is the relation between displacement, time and acceleration in case of a body having uniform acceleration
Physics-General
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Which graph represents the uniform acceleration
Which graph represents the uniform acceleration
Physics-General
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A particle is thrown vertically upwards. If it velocity at half of the maximum height is
, then maximum height attained by it is (Take
)
A particle is thrown vertically upwards. If it velocity at half of the maximum height is
, then maximum height attained by it is (Take
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Physics-General
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An object is dropped from rest. Its
-
graph is
An object is dropped from rest. Its
-
graph is
Physics-General
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You drive a car at seed of
in a straight road for
and then the car runs out of petrol. You walk for
to reach a petrol pump at a distance of
. The average velocity from the beginning of your drive till you reach the petrol pump is
You drive a car at seed of
in a straight road for
and then the car runs out of petrol. You walk for
to reach a petrol pump at a distance of
. The average velocity from the beginning of your drive till you reach the petrol pump is
Physics-General