CBSE Class 11-Physics: Motion in One Plane Assignment 1: Questions

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Paragraph Type Question

A particle moves such a way that

Where i and j are unit vectors along x and y direction. A and m are constant

Question 1:

Find the trajectory of the particle

a. Circle

b. Parabola

c. Eclipse

d. None of the above

Answer:

a. Circle

Question 2

Find the average velocity of the particle from to

a.

b.

c.

d. None of the above

Answer:

a.

Question 3:

Find the scalar Product of Acceleration and velocity at any point t

a.

b.

c.

d. None of the above

Answer:

c.

Question 4:

Find the tangential acceleration at any point of time t

a.

b.

c.

d. None of the above

Answer:

b.

Question 5:

Find the radial acceleration at any point of time

a.

b.

c.

d. None of the above

Answer:

b.

Question 6:

Find the displacement vector and distance when

a.

b.

c.

d.

Answer:

a.

Multiple Choice Question

Question 7:

A wind is blowing in the North direction at the speed of . An airplane moves to a point in the East which is away in . Find the velocity of the airplane with respect to the wind

a.

b.

c.

d. None of these

Answer:

Question 8

Consider the figure given below

a. Acceleration is positive during A to C And negative during C to B

b. Acceleration is maximum at C

c. Velocity is maximum at C

d. Average acceleration is zero during the journey

Answer:

(a), (b), (c), (d)

Question 9:

Two projectile A and B are having trajectory equation and

If the range is same for both the projectile A and B then which of the following option is true

a.

b.

c.

d. None of these

Answer:

a.