A helicopter flies from a city A to B. The line joining A and B is along North-South direction and its length is 100 km. The speed of the helicopter is kept 100 km/h and the wind blows from West to East with a speed of 60 km/h. The time taken by the helicopter is

(1) 0.75 h

(2) 1.0 h

(3) 1.25 h

(4) 1.33 h

Subtopic:  Relative Motion |
 56%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Four particles lie initially at the corners of a square of side length L. All the particles start to move with speed v. A moves towards B, B moves towards C, C moves towards D and D moves towards A. The distance covered by a particle till they meet is

                                 

(1) L5

(2) L

(3) 2L

(4) 2L

Subtopic:  Relative Motion |
 52%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

A boat can move with a maximum speed of 10 m/s in still water. If the speed of river water is 5 m/s, then in how much minimum time the boat can cross the river of width 500 m?

(1) 1005 s

(2) 50 s

(3) 100 s

(4) 150 s

Subtopic:  Relative Motion |
 64%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

A particle is thrown at an angle of projection θ = 45° with speed u. The average velocity of the particle during its ground to ground flight is

1.  2u

2.  u2

3.  u2

4.  0

Subtopic:  Projectile Motion |
 63%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Raindrops are falling with a speed v vertically downwards and a man is running on a horizontal road with speed u. The magnitude of the velocity of the raindrops with respect to the man is:
1. v - u
2. v + u
3. \(\sqrt{\text{v}^2 + \text{u}^2 \over 2}\)
4. \(\sqrt{\text{v}^2 + \text{u}^2}\)

Subtopic:  Relative Motion |
 81%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

A bomb is dropped from an aeroplane flying horizontally. The path of the bomb as seen by the pilot will be (neglect air friction)

(1) A straight line

(2) A parabola

(3) An ellipse

(4) A hyperbola

Subtopic:  Projectile Motion |
 63%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The range of a bullet fired from a gun at an angle π4 - ϕ with the horizontal is the same as the range of another bullet fired from that gun at an angle θ with the horizontal. Then,

1.  θ = ϕ

2.  θ = π4

3.  θ = π4 + ϕ

4.  θ = ϕ - π4

Subtopic:  Projectile Motion |
 72%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

A boy runs on a circular track of radius \(\mathrm{R}\) (in km) with a speed of πR2 km/h in the clockwise direction for \(3\)and then with πR km/h in the anticlockwise direction for \(1\) h. The magnitude of his displacement will be: 
1.  πR2

2.  R2

3.  3πR2

4.  2R

Subtopic:  Position & Displacement |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Two projectiles P and Q are projected with the same speed at angles 60° and 30° with horizontal on level ground, then: [R = Range, T = Time of flight, H = Maximum height]

(1) RP=2RQ

(2) TP=3 TQ

(3) H=3HP

(4) All of these

Subtopic:  Projectile Motion |
 62%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

A body is projected with the same speed at two different angles covers the same horizontal distance R. If T1 and T2 are two times of flights, then R is equal to :

1.  gT1T22

2.  2gT1T2

3.  12gT1T2T1 + T2

4.  2gT1T2

Subtopic:  Projectile Motion |
 70%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh