Kinematics (AIIMS Physics): Questions 23 - 28 of 39

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Question number: 23

» Kinematics » Motion in a Straight Line

MCQ▾

Question

A bullet loses 130th of its velocity when it passes through a plank. Find the maximum number of planks through which it can pass.

Choices

Choice (4) Response

a.

10

b.

15

c.

20

d.

25

Question number: 24

» Kinematics » Relative Velocity

MCQ▾

Question

A boy standing on a long rail road car throws a ball up (straight) with a velocity 19.6ms . The car is moving on the horizontal road with acceleration 3 ms , How far behind the boy will the ball fall?

Choices

Choice (4) Response

a.

12m

b.

8m

c.

24m

d.

48 m

Question number: 25

» Kinematics » Motion in a Straight Line

MCQ▾

Question

A body is thrown horizontally with a velocity 32gh 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

Choices

Choice (4) Response

a.

34m

b.

3h2

c.

h

d.

3h

Question number: 26

» Kinematics » Motion in a Straight Line

MCQ▾

Question

The displacement of a particle is given by y=3+4t+5t26t4 . The initial velocity and acceleration are respectively,

Choices

Choice (4) Response

a.

4,24

b.

10,48

c.

4,10

d.

10,24

Question number: 27

» Kinematics » Projectile Motion

MCQ▾

Question

A body is projected at such an angle that the horizontal range is half of the greatest height. The angle of projection is

Choices

Choice (4) Response

a.

38°

b.

53°

c.

83°

d.

92°

Question number: 28

» Kinematics » Frame of Reference

MCQ▾

Question

A body standing on a long railroad car throws a ball straight upwards, the car is moving on the horizontal road with acceleration 3ms2 . The vertical velocity given is 19.6ms . How far behind the body the ball will fall on the railroad car?

Choices

Choice (4) Response

a.

3 m

b.

24 m

c.

27 m

d.

18 m

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