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question_answer1)
A particle is travelling with a constant speed. What does this mean?
A)
The position of the particle remains constant as time passes. done
clear
B)
The particle covers equal distances in equal time intervals. done
clear
C)
The acceleration of the particle is zero. done
clear
D)
The particle does not change its direction of motion. done
clear
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question_answer2)
A particle shows a value of\[46.0\,\,m\,\,{{s}^{-1}}\]. What can it be?
A)
Force of the particle done
clear
B)
Velocity of the particle done
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C)
Acceleration of the particle done
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D)
Momentum of the particle done
clear
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question_answer3)
The positions of a particle moving along a straight line are \[{{x}_{1}}=50\,\,m\] at 10.30 a.m. and \[{{x}_{2}}=55\,\,m\] m at 10.35 a.m. respectively. What is the displacement of the particle between 10.30 a.m. and 10.35 a.m.?
A)
\[2\,\,m\] done
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B)
\[5\,\,m\] done
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C)
\[7\,\,m\] done
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D)
\[9\,\,m\] done
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question_answer4)
A car covers \[30\,\,km\] at a uniform speed of\[60\,\,km\,\,{{h}^{-1}}\] and the next 30 km at a uniform speed of\[40\,\,km\,\,{{h}^{-1}}\]. Find the total time taken.
A)
\[30\,\,\min \] done
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B)
\[45\,\,\min \] done
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C)
\[75\,\,\min \] done
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D)
\[120\,\,\min \] done
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question_answer5)
A particle moving with an initial velocity of \[5\,\,m\,\,{{s}^{-1}}\] is subjected to a uniform acceleration of\[-2.5\,\,m\,\,{{s}^{-2}}\]. Find the displacement in the next \[4\] seconds.
A)
\[40\,\,m\] done
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B)
\[0\,\,m\] done
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C)
\[20\,\,m\] done
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D)
\[60\,\,m\] done
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question_answer6)
An insect moves along a circular path of radius \[10\,\,cm\] with a constant speed. If it takes \[1\] minute to move from a point on the path to the diametrically opposite point, then what is the distance it travels and average velocity of the insect respectively?
A)
\[3.14\,\,cm{{(\min )}^{-1}},\,\,20\,\,cm{{(\min )}^{-1}}\] done
clear
B)
\[31.4\,\,cm{{(\min )}^{-1}},\,\,0.33\,\,cm\,\,{{s}^{-1}}\] done
clear
C)
\[0.314\,\,cm{{(\min )}^{-1}},\,\,1\,\,cm{{(\min )}^{-1}}\] done
clear
D)
\[314\,\,cm{{(\min )}^{-1}},\,\,0.1\,\,cm{{(\min )}^{-1}}\] done
clear
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question_answer7)
If the distance travelled by a body in the second is given by\[(4+6n)m\], then find the initial velocity and acceleration of the body respectively.
A)
\[3\,\,m\,\,{{s}^{-1}},\,\,6\,\,m\,\,{{s}^{-2}}\] done
clear
B)
\[7\,\,m\,\,{{s}^{-1}},\,\,4\,\,{{s}^{-2}}\] done
clear
C)
\[7\,\,m\,\,{{s}^{-1}},\,\,6\,\,m\,\,{{s}^{-2}}\] done
clear
D)
\[7\,\,m\,\,{{s}^{-1}},\,\,3\,\,m\,\,{{s}^{-2}}\] done
clear
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question_answer8)
The length of a minute hand of a clock is\[4\,\,cm\]. Find the displacement and the average velocity of the tip of the minute hand when it moves from 3.15 p.m. to 3.30 p.m.
A)
\[4\sqrt{2}cm,\,\,\frac{\sqrt{2}}{225}cm\,\,{{s}^{-1}}\] done
clear
B)
\[4\sqrt{2}cm,\,\,\frac{4}{225}cm\] done
clear
C)
\[2\sqrt{4}cm,\,\,\frac{1}{225}cm\,\,{{s}^{-1}}\] done
clear
D)
\[4\sqrt{2}cm,\,\,\frac{2}{225}cm\,\,{{s}^{-1}}\] done
clear
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question_answer9)
A car moving on a road with uniform acceleration covers \[20\,\,m\] in the first second and \[30\,\,m\] in the next second.
What is its acceleration?
A)
\[20\,\,m\,\,{{s}^{-2}}\] done
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B)
\[10\,\,m\,\,{{s}^{-2}}\] done
clear
C)
\[30\,\,m\,\,{{s}^{-2}}\] done
clear
D)
\[5\,\,m\,\,{{s}^{-2}}\] done
clear
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question_answer10)
The velocity of a body is given by the equation\[v=6-0.02\,\,t\], where \[t\] is the time taken. What does the body undergo?
A)
Uniform retardation of\[0.02\,\,m\,\,{{s}^{-2}}\] done
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B)
Uniform acceleration of\[0.02\,\,m\,\,{{s}^{-2}}\] done
clear
C)
Uniform retardation of\[-0.04\,\,m\,\,{{s}^{-2}}\] done
clear
D)
Uniform acceleration of \[-0.04\,\,m\,\,{{s}^{-2}}\] done
clear
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question_answer11)
A race car accelerates uniformly from \[18.5\,\,m\,\,{{s}^{-1}}\] to \[46.1\,\,m\,\,{{s}^{-1}}\] in \[2.47\] seconds. What is the acceleration of the car?
A)
\[11.2\,\,m\,\,{{s}^{-2}}\] done
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B)
\[12.3\,\,m\,\,{{s}^{-2}}\] done
clear
C)
\[14.5\,\,m\,\,{{s}^{-2}}\] done
clear
D)
\[16.7\,\,m\,\,{{s}^{-2}}\] done
clear
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question_answer12)
A car covers the first half of the distance between two places at a speed of \[40\,\,km\,\,{{h}^{-1}}\] and the second half at\[60\,\,km\,\,{{h}^{-1}}\]. Find the average speed of the car.
A)
\[100\,\,km\,\,{{h}^{-1}}\] done
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B)
\[50\,\,km\,\,{{h}^{-1}}\] done
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C)
\[48\,\,km\,\,{{h}^{-1}}\] done
clear
D)
\[52\,\,km\,\,{{h}^{-1}}\] done
clear
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question_answer13)
A particle is moving along a circular track of radius 1 m with uniform speed. Find the ratio of the distance covered and the displacement in half revolution.
A)
\[1:1\] done
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B)
\[0:1\] done
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C)
\[\pi :1\] done
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D)
\[\pi :2\] done
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question_answer14)
A body travels \[200\,\,cm\] in the first two seconds and \[220\,\,cm\] in the next four seconds with constant acceleration. Find the velocity at the end of the seventh second from the start.
A)
\[5\,\,cm\,\,{{s}^{-1}}\] done
clear
B)
\[10\,\,cm\,\,{{s}^{-1}}\] done
clear
C)
\[15\,\,cm\,\,{{s}^{-1}}\] done
clear
D)
\[20\,\,cm\,\,{{s}^{-1}}\] done
clear
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question_answer15)
How do the directions of velocity and acceleration act when brakes are applied to a moving cycle?
A)
Opposite to each other done
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B)
In the same direction done
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C)
Perpendicular to each other done
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D)
Parallel to each other done
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question_answer16)
A bus in motion increases its speed from \[30\,\,km\,\,{{h}^{-1}}\] to \[60\,\,km\,\,{{h}^{-1}}\] in \[20\] seconds. Find its acceleration.
A)
\[0.21\,\,m\,\,{{s}^{-2}}\] done
clear
B)
\[0.42\,\,m\,\,{{s}^{-2}}\] done
clear
C)
\[0.63\,\,m\,\,{{s}^{-2}}\] done
clear
D)
\[0.84\,\,m\,\,{{s}^{-2}}\] done
clear
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question_answer17)
An insect moves along the sides of a wall of dimensions \[12\,\,m\times 5\,\,m\] starting from one corner and reaches the diagonally opposite corner in\[2\,\,s\]. Find the ratio of the average speed to the average velocity of the insect.
A)
\[17:13\] done
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B)
\[12:5\] done
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C)
\[13:5\] done
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D)
\[17:12\] done
clear
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question_answer18)
An airplane accelerates down a runway at \[3.2\,\,m\,\,{{s}^{-2}}\] for \[32.8\,\,s\] until it finally lifts off the ground. Determine the distance travelled before take-off.
A)
\[1323\,\,m\] done
clear
B)
\[1527\,\,m\] done
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C)
\[1721\,\,m\] done
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D)
\[1931\,\,m\] done
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question_answer19)
Which of the following shows the direction of the motion of a body?
A)
Velocity done
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B)
Acceleration done
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C)
Speed done
clear
D)
Both [a] and [b] done
clear
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question_answer20)
A train covers equal displacements in equal intervals of time. Which of the following does it\[NOT\] exhibit?
A)
Uniform acceleration done
clear
B)
Uniform speed done
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C)
Uniform velocity done
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D)
None of the above done
clear
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question_answer21)
When will a body have zero speed?
A)
When a body has uniform acceleration done
clear
B)
When a body has non-uniform acceleration done
clear
C)
When a body is always under rest done
clear
D)
When a body is always under motion done
clear
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question_answer22)
Match the entries in Column-l with those in Column-ll.
| Column - I | | Column - II |
[a] | Speed | 1. | \[cm\] |
[b] | Acceleration | 2. | \[s\] |
[c] | Displacement | 3. | \[m\,\,{{s}^{-1}}\] |
[d] | Time | 4. | \[km\,\,{{h}^{-2}}\] |
A)
a - 2, b - 1, c - 4, d ? 3 done
clear
B)
a - 3, b - 4, c - 1, d ? 2 done
clear
C)
a - 4, b - 2, c - 3, d ? 1 done
clear
D)
a - 3, b - 2, c - 2, d ? 1 done
clear
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question_answer23)
What is the acceleration of a particle moving with uniform velocity?
A)
\[1\,\,m\,\,{{s}^{-2}}\] done
clear
B)
\[2\,\,m\,\,{{s}^{-2}}\] done
clear
C)
\[0\] done
clear
D)
\[\propto \] done
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question_answer24)
Direction: Questions 24 are based on the information given below.
A space shuttle is launched into space. During the first \[8\] minutes of its launch the average acceleration of the shuttle is\[17.5\,\,m\,\,{{s}^{-2}}\]. |
hat is its speed after \[8\] minutes?
A)
\[8000\,\,m\,\,{{s}^{-1}}\] done
clear
B)
\[8400\,\,m\,\,{{s}^{-1}}\] done
clear
C)
\[1200\,\,m\,\,{{s}^{-1}}\] done
clear
D)
\[1500\,\,m\,\,{{s}^{-1}}\] done
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question_answer25)
Direction: Questions 24 are based on the information given below.
A space shuttle is launched into space. During the first \[8\] minutes of its launch the average acceleration of the shuttle is\[17.5\,\,m\,\,{{s}^{-2}}\]. |
Ram's car does not start, so his friend helps him by pushing it for \[10\] seconds after which the car reaches a speed of\[2\,\,m\,\,{{s}^{-1}}\].
Calculate the acceleration of the car.
A)
\[20\,\,m\,\,{{s}^{-2}}\] done
clear
B)
\[0.2\,\,m\,\,{{s}^{-2}}\] done
clear
C)
\[5\,\,m\,\,{{s}^{-2}}\] done
clear
D)
\[10\,\,m\,\,{{s}^{-2}}\] done
clear
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question_answer26)
The graph below shows the distance travelled and the time taken by four cars.
Which car travelled the slowest?
A)
Car 1 done
clear
B)
Car 2 done
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C)
Car 3 done
clear
D)
Car 4 done
clear
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question_answer27)
The motion of the earth around the sun once in a year requires some force of attraction between them. What is the centripetal force acting between them?
A)
Gravitational force done
clear
B)
Weight of the sun done
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C)
Weight of the earth done
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D)
Density of the earth done
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question_answer28)
The two ends of a train moving with uniform acceleration pass a certain point with velocities \[6\,\,kmph\] and \[8\,\,kmph\] respectively. What is the velocity with which the middle point of the train passes the same point?
A)
\[14\,\,kmph\] done
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B)
\[5\,\,kmph\] done
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C)
\[10\sqrt{2}kmph\] done
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D)
\[10\,\,kmph\] done
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question_answer29)
How far does the space shuttle travel in the first \[8\] minutes?
A)
\[8000\,\,m\] done
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B)
\[80000\,\,m\] done
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C)
\[2016\,\,km\] done
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D)
\[2600\,\,km\] done
clear
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question_answer30)
What does the area of an 'acceleration- displacement' graph represent?
A)
Distance done
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B)
Velocity done
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C)
\[\frac{{{v}^{2}}-{{u}^{2}}}{2}\] done
clear
D)
\[\frac{v-u}{t}\] done
clear
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question_answer31)
A For a moving particle, what does decrease in displacement with time mean?
A)
The particle is moving towards its initial position. done
clear
B)
The acceleration of the particle is approaching zero. done
clear
C)
The particle is moving with uniform speed. done
clear
D)
The particle is moving with non-uniform motion. done
clear
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question_answer32)
A car starts from rest and accelerates uniformly over a time of \[5.21\] seconds for a distance of\[110\,\,m\]. Determine the acceleration of the car.
A)
\[6.10\,\,m\,\,{{s}^{-2}}\] done
clear
B)
\[8.10\,\,m\,\,{{s}^{-2}}\] done
clear
C)
\[10.10\,\,m\,\,{{s}^{-2}}\] done
clear
D)
\[12.10\,\,m\,\,{{s}^{-2}}\] done
clear
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question_answer33)
The distance-time graphs of two cyclists moving along a straight line, meet at a point. What can be inferred from this?
A)
They collide. done
clear
B)
They move with the same speed. done
clear
C)
They are at rest. done
clear
D)
They start from rest. done
clear
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question_answer34)
A particle is pushed along a horizontal surface in such a way that it starts with a velocity of\[12\,\,m\,\,{{s}^{-1}}\], and decreases at the rate of\[0.5\,\,m\,\,{{s}^{-2}}\]. Find the time it will take to come to rest.
A)
\[6s\] done
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B)
\[12s\] done
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C)
\[24s\] done
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D)
\[48s\] done
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question_answer35)
A bike accelerates uniformly from rest to a speed of 7.10 m s-1 over a distance of\[35.4\,\,m\]. Determine the acceleration of the bike.
A)
\[0.412\,\,m\,\,{{s}^{-2}}\] done
clear
B)
\[0.512\,\,m\,\,{{s}^{-2}}\] done
clear
C)
\[0.612\,\,m\,\,{{s}^{-2}}\] done
clear
D)
\[0.712\,\,m\,\,{{s}^{-2}}\] done
clear
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question_answer36)
Sohail cycles on a circular track in anticlockwise direction as shown in the figure. He travels with a speed \['V'\] to cover the path\[AB\], next with speed\['2V'\] from \[B\] to \[C\] and with a speed of\['3V'\] from \[C\] to\[A\].
What is his average speed for the total journey?
A)
\[2V\] done
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B)
\[6V\] done
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C)
\[3V\] done
clear
D)
\[{}^{V}/{}_{2}\] done
clear
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question_answer37)
The motion of an object is plotted in four distance \[-\] time graphs. Which of the following graphs given below correctly describes the possible motion of the object?
A)
B)
C)
D)
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question_answer38)
A man shot a bullet with a speed of \[10\,\,m{{s}^{-1}}\] which just penetrates a plank of wood. With what speed should he shoot the bullet so that it passes through \[10\] similar planks?
A)
\[100\,\,m\,\,{{s}^{-1}}\] done
clear
B)
\[104\,\,m\,\,{{s}^{-1}}\] done
clear
C)
\[10\sqrt{10}m\,\,{{s}^{-1}}\] done
clear
D)
\[5\sqrt{10}m\,\,{{s}^{-1}}\] done
clear
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question_answer39)
While testing the safety of a car, a dummy driver is used and the car is propelled at different speeds to hit a rigid wall. In one such test, the dummy driver had a mass of \[70\,\,kg\] and the speed of the car just before the impact was\[40\,\,m\,\,{{s}^{-1}}\]. If the time interval between the collision and the car coming to rest was\[0.2\,\,s\], then find the deceleration of the car due to impact.
A)
\[200\,\,m\,\,{{s}^{-2}}\] done
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B)
\[80\,\,m\,\,{{s}^{-2}}\] done
clear
C)
\[110\,\,m\,\,{{s}^{-2}}\] done
clear
D)
\[280\,\,m\,\,{{s}^{-2}}\] done
clear
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question_answer40)
The distance versus time graph of a particle moving is shown below.
What does the graph indicate?
A)
The particle starts with certain velocity with retardation and finally comes to rest. done
clear
B)
The velocity of the particle is constant. done
clear
C)
The acceleration of the particle is non-uniform throughout. done
clear
D)
The particle starts with a certain velocity and finally becomes uniform after certain time. done
clear
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