Kinematics (AIIMS Physics): Questions 36 - 39 of 39

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Question number: 36

» Kinematics » Motion in a Plane

MCQ▾

Question

A body dropped from a height h with an initial speed zero, strikes the ground with a velocity 4kmh . Another body of same mass is dropped from the same height ‘h’ with an initial speed u=6kmh . Find the final velocity of second body, with which it strikes the ground.

Choices

Choice (4) Response

a.

16kmh

b.

8kmh

c.

213kmh

d.

52kmh

Question number: 37

» Kinematics » Projectile Motion

MCQ▾

Question

The velocity of projection of a body is given by u=3i^+4j^ . The ratio of horizontal range to maximum height is

Choices

Choice (4) Response

a.

3

b.

2

c.

6

d.

4

Question number: 38

» Kinematics » Motion in a Plane

MCQ▾

Question

A particle moves in xy – plane such that its position is given by x=3t2,y=12t . Velocity and acceleration at time t=1sec are respectively –

Choices

Choice (4) Response

a.

65ms,3ms2

b.

65ms,6ms2

c.

6ms,3ms2

d.

63ms,2ms2

Question number: 39

» Kinematics » Scalars and Vectors » Scalar and Vector Products

MCQ▾

Question

If P×Q =3 PQ , then find the angle between P and Q.

Choices

Choice (4) Response

a.

600

b.

900

c.

450

d.

300

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