Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 2

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A particle is moving with constant speed $v$ in plane as shown in figure. The magnitude of the angular velocity about point $O$ is

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Important Questions on Motion in a Plane

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 3

A particle is moving eastwards with a speed of $6 m s^{- 1} .$ After $6 s,$ the particle is found to be moving with same speed in a direction $60 °$ north of east. The magnitude of average acceleration in this interval . of time is

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 4

When a force $F$ acts on a particle of mass $m,$ the acceleration of particle becomes a. Now if two forces of magnitude $3 F$ and $4 F$ acts on the particle simultaneously as shown in figure, then the acceleration of the particle is

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 5

Out of the two cars

A

and

B,

car

A

is moving towards east with a velocity of

10 m s^{- 1}

whereas

B

is moving towards north with a velocity

20 m s^{- 1},

then velocity of

A

w.r.t.

B

is (nearly)

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 6

A man moves in an open field such that after moving

10 m

on a straight line, he makes a sharp turn of

60 °

to his left. The total displacement just at the start of

8^{th}

turn is equal to

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 7

Four persons

P, Q, R

and

S

are initially at the four corners of a square of side

d .

Each person now moves with a constant speed

v

in such a way that

P

always moves directly towards

Q, Q

towards

R, R

towards

S,

and

S

towards

P .

The four persons will meet after time

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 8

A particle is projected at angle

θ

with horizontal from ground. The slop

(m)

of the trajectory of the particle varies with time

(t)

as

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 9

If

H_{1}

and

H_{2}

be the greatest heights of a projectile in two paths for a given value of range, then the horizontal range of projectile is given by

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 10

If

R

and

H

are the horizontal range and maximum height attained by a projectile, than its speed of projection is