The acceleration of a moving body can be found from: 

1. Area under the velocity-time graph

2. Area under the distance-time graph

3. Slope of the velocity-time graph

4. Slope of the distance-time graph

Subtopic:  Graphs |
 75%
From NCERT
PMT - 1981
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The initial velocity of the particle is 10 m/sec and its retardation is 2 m/sec2. The distance moved by the particle in 5th second of its motion is 

1. 1 m

2. 19 m

3. 50 m

4. 75 m

Subtopic:  Uniformly Accelerated Motion |
 59%
PMT - 1976
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A motor car moving with a uniform speed of 20 m/sec comes to stop on the application of brakes after travelling a distance of 10 m. Its acceleration is 

1. 20 m/sec2

2. –20 m/sec2

3. –40 m/sec2

4. +2 m/sec2

Subtopic:  Uniformly Accelerated Motion |
 76%
From NCERT
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The velocity of a body moving with a uniform acceleration of 2 m/sec2 is 10 m/sec. Its velocity after an interval of 4 sec is 

1. 12 m/sec

2. 14 m/sec

3. 16 m/sec

4. 18 m/sec

Subtopic:  Uniformly Accelerated Motion |
 84%
From NCERT
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The initial velocity of a body moving along a straight line is 7 m/s. It has a uniform acceleration of 4 m/s2. The distance covered by the body in the 5th second of its motion is  

1. 25 m

2. 35 m

3. 50 m

4. 85 m

Subtopic:  Uniformly Accelerated Motion |
 82%
PMT - 1994
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The velocity of a body depends on time according to the equation v=20+0.1t2. The body is undergoing 

1. Uniform acceleration

2. Uniform retardation

3. Non-uniform acceleration

4. Zero acceleration

Subtopic:  Non Uniform Acceleration |
 67%
From NCERT
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Which of the following four statements is false?

1. A body can have zero velocity and still be accelerated.

2. A body can have a constant velocity and still have a varying speed.

3. A body can have a constant speed and still have a varying velocity.

4. The direction of the velocity of a body can change when its acceleration is constant.

Subtopic:  Average Speed & Average Velocity |
 60%
From NCERT
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A particle moving with a uniform acceleration travels \(24\) m and \(64\) m in the first two consecutive intervals of \(4~\text{s}\) each. Its initial velocity is:
1. \(1~\text{m/s}\)
2. \(10~\text{m/s}\)
3. \(5~\text{m/s}\)
4. \(2~\text{m/s}\)
Subtopic:  Uniformly Accelerated Motion |
From NCERT
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The position of a particle moving in the XY plane at any time t is given by x=(3t26t) metres. Select the correct statement about the moving particle from the following.

1. The acceleration of the particle is zero at t = 0 second
2. The velocity of the particle is zero at t = 0 second
3. The velocity of the particle is zero at t = 1 second
4. The velocity and acceleration of the particle are never zero

Subtopic:  Instantaneous Speed & Instantaneous Velocity |
 72%
From NCERT
PMT - 1995
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If body having initial velocity zero is moving with uniform acceleration 8 m/sec2 , then the distance travelled by it in fifth second will be  

1. 36 metres

2. 40 metres

3. 100 metres

4. Zero

Subtopic:  Acceleration |
 84%
PMT - 1996
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