A particle is projected at an angle θ with horizontal with an initital speed u. When it makes and angle α with horizontal, its speed is

1. ucosθ

2. ucosθ ucosα

3. usinθsinα

4. ucosθcosα

 

Concept Questions :-

Projectile motion
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


A body is projected with velocity 203 m/s with an angle of projection 60° with horizontal. Calculate velocity on that point where body makes an angle 30° with the horizontal.

(1) 20 m/s

(2) 203 m/s

(3) 103 m/s

(4) 10 m/s

Concept Questions :-

Projectile motion
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


A body thrown vertically so as to reach its maximum height in t second. The toal time from the time of projection to reach a point at half of its maximum height while returning (in second) is:

(1) 2t

(2) 1+12t

(3) 3t2

(4) t2

Concept Questions :-

Projectile motion
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


A particle is projected with a velocity u making an angle θ with the horizontal. At any instant, its velocity V is at right angles to its initial velocity u; then V is:

1.  u cos θ

2.  u tan θ

3.  u cot θ

4.  u sec θ

Concept Questions :-

Projectile motion
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


A projectile is given an initial velocity of i^+2j^. The cartesian equation of its path is (g = 10 ms-2

1. y=2x-5x2

2. y=x-5x2

3. 4y=2x-5x2

4. y=2x-25x2

Concept Questions :-

Projectile motion
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Time taken by the projectile to reach from A to B is t. Then the distance AB is equal to :

1. ut3

2. 3ut2

3. 3ut

4. 2ut

Concept Questions :-

Projectile motion
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


A particle projected with kinetic energy k0 with an angle of projection θ. Then the variation of kinetic K with vertical displacement y is

1.  linear

2.  parabolic

3.  hyperbolic

4.  periodic

Concept Questions :-

Projectile motion
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


 A body is thrown horizontally with a velocity 2gh from the top of a tower of height h. It strikes the level ground through the foot of the tower at a distance x from the tower. The value of x is:

(1) h

(2) h2

(3) 2h

(4) 2h3

Concept Questions :-

Projectile motion
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


A body projected with velocity u with an angle of projection θ. Change in velocity after the time (t) from the projection is:

(1) gt

(2) 12gt2

(3) u sinθ

(4) u cosθ

Concept Questions :-

Projectile motion
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The gravity in space is given by g=-10 j^ ms-2. Two particles are simultaneously projected with velocity u1=10 ms-1i^+10 ms-1j^ and u2=20 ms-1i^+10 ms-1j^. Then, the ratio of their times of flight

1. 1:1

2. 1:2

3. 2:1

4. none

Concept Questions :-

Projectile motion
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level: