Physics-
A particle starts from rest at 
and undergoes an acceleration 
in 
with time 
in second which is as shownWhich one of the following plot represents velocity 
in 
time in second?
Physics-General
Answer:The correct answer is: A particle starts from rest at
The equation of motion
The velocity for next 2 s
Hence, 
graph will be as shown.
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Related Questions to study
physics-
A body is at rest at 
. At , it starts moving in the positive 
-direction with a constant acceleration. At the same instant another body passes through moving in the positive -direction with a constant speed. The position of the first body is given by 
after time ‘’ and that of the second body by 
after the same time interval. Which of the following graphs correctly describes 
as a function of time ‘’
and 
.This equation is of parabola
and 
As
graph shows possess minima at 
A body is at rest at . At , it starts moving in the positive -direction with a constant acceleration. At the same instant another body passes through moving in the positive -direction with a constant speed. The position of the first body is given by after time ‘’ and that of the second body by after the same time interval. Which of the following graphs correctly describes as a function of time ‘’
physics-General
and .This equation is of parabola and As
graph shows possess minima at maths-
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is
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maths-General
physics-
For the velocity-time graph shown in figure below the distance covered by the body in last two seconds of its motion is what fraction of the total distance covered by it in all the seven seconds
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physics-General
physics-
The 
graph shown in the figure represents
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the body travel with constant speed up to time and then stops
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physics-General
Up to time slope of the graph is constant and after slope is zero the body travel with constant speed up to time and then stops
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If 
then 
=
If then =
maths-General
physics-
In the following graph, distance travelled by the body in metres is
Distance = Area covered between velocity and time axis
In the following graph, distance travelled by the body in metres is
physics-General
Distance = Area covered between velocity and time axis
physics-
Velocity-time 
graph for a moving object is shown in the figure. Total displacement of the object during the time interval when there is non-zero acceleration and retardation is
Between time interval 20s the 4s, there is non-zero acceleration and retardation. Hence, distance travelled during this interval = Area between time interval 20 s to 40 s
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physics-General
Between time interval 20s the 4s, there is non-zero acceleration and retardation. Hence, distance travelled during this interval = Area between time interval 20 s to 40 s
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maths-General
maths-
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is
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maths-General
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The value of k such that 
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maths-General
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The number of solutions of the equation 
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is
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maths-General
physics-
The displacement-time graph of a moving object is shown in figure. Which of the velocity-time graphs shown in figure could represent the motion of the same body?
Think of the lope of the given displacement-time graph at different points and you would arrive at the correct answer.
Alternatively, look at the self-illustrative figure.
Alternatively, look at the self-illustrative figure.
The displacement-time graph of a moving object is shown in figure. Which of the velocity-time graphs shown in figure could represent the motion of the same body?
physics-General
Think of the lope of the given displacement-time graph at different points and you would arrive at the correct answer.
Alternatively, look at the self-illustrative figure.
Alternatively, look at the self-illustrative figure.
physics-
A particle shows distance-time curve as given in this figure. The maximum instantaneous velocity of the particle is around the point
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from the figure it is clear that slope of the curve is maximum at point ‘
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physics-General
Instantaneous velocity is given by the slope of the curve at that instant from the figure it is clear that slope of the curve is maximum at point ‘’
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Assertion : Owls can move freely during night.
Reason : They have large number of rods on their retina.
Owls can move freely during night, because they have large number of cones on their retina which help them to see in night.
Assertion : Owls can move freely during night.
Reason : They have large number of rods on their retina.
physics-General
Owls can move freely during night, because they have large number of cones on their retina which help them to see in night.