The horizontal range and the maximum height of a projectile are equal. The angle of projection of the projectile is:

1. θ=tan-114                                       

2. θ=tan-14

3. θ=tan-12                                         

4. θ=45°

Subtopic:  Projectile Motion |
 74%
From NCERT
NEET - 2012
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A particle has an initial velocity (\(2\mathrm{i}+3\mathrm{j}\)) and an acceleration (\(0.3\mathrm{i}+0.2\mathrm{j}\)). The magnitude of velocity after 10 s will be:
1. \(9 \sqrt{2} ~\text{units} \)
2. \(5 \sqrt{2} ~\text{units} \)
3. \(5 ~\text{units} \)
4. \(9~\text{units} \)

Subtopic:  Uniformly Accelerated Motion |
 88%
From NCERT
NEET - 2012
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A body is moving with velocity 30 m/s towards east. After 10 s its velocity becomes 40 m/s towards north. The average acceleration of the body is

(1) 7 m/s2                                             

(2) 7 m/s2

(3) 5 m/s2                                             

(4) 1 m/s2

Subtopic:  Acceleration |
 73%
From NCERT
NEET - 2011
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A missile is fired for maximum range with an initial velocity of 20 m/s. If g=10 m/s2, the range of the missile is:

1. 50 m                                                          2. 60 m

3. 20 m                                                          4. 40 m

Subtopic:  Projectile Motion |
 84%
From NCERT
NEET - 2011
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A projectile is fired at an angle of 45° with the horizontal. The elevation angle α of the projectile at its highest point as seen from the point of projection is:

1. 60°                                           2. tan-112

3. tan-132                               4. 45°

Subtopic:  Projectile Motion |
 62%
From NCERT
NEET - 2011
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A particle has an initial velocity 3i^+4j^ and has an acceleration 0.4i^+0.3j^. Its speed after 10 s is: 
1. \(7\) unit
2. \(7\sqrt{2}\) unit
3. \(8\) unit
4. \(8\sqrt{2}\) unit

Subtopic:  Uniformly Accelerated Motion |
 84%
NEET - 2010
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The speed of a projectile at its maximum height is half of its initial speed. The angle of projection is:

1. 60°                                         

2. 15°

3. 30°                                         

4. 45°

Subtopic:  Projectile Motion |
 66%
From NCERT
NEET - 2010
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A particle moves in the x-y plane according to rule x=asinωt and y=acosωt. The particle follows:

1. an elliptical path.
2. a circular path.
3. a parabolic path.
4. a straight line path inclined equally to the x and y-axis.

Subtopic:  Circular Motion |
 62%
From NCERT
NEET - 2010
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The velocity of a projectile at the initial point A is (2i + 3j) m/s. Its velocity (in m/s) at point B is:


1.  -2i+3j

2.  -2i-3j

3.   2i-3j

4.  2i+3j

Subtopic:  Projectile Motion |
 79%
From NCERT
NEET - 2013
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A particle is moving such that its position coordinates (x, y) are (2m, 3m) at time t = 0, (6m, 7m) at time t = 2s and (13m, 14m) at time t = 5s. Average velocity vector (vav) from t = 0 to t = 5s is

1. 15(13i^+14j^)

2. 73(i^+j^)

3. 2(i^+j^)

4. 115(i^+j^)

Subtopic:  Speed & Velocity |
 79%
From NCERT
NEET - 2014
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