Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 11

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In uniform circular motion

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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 12

If a body is moving in circular path of radius

14 m .

It complete one revolution in

7 s .

Considering the speed to be uniform, the value of centripetal acceleration is

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 13

A man is walking on a horizontal road at velocity

5 km h^{- 1}

and the rain appears to be falling vertically at

5 km h^{- 1}

to him. The magnitude of velocity of rain with respect to the man is

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 14

The angle of projection of a projectile which is projected with certain velocity from ground is

\frac{π}{8}

with horizontal and its horizontal range is

R .

The angle with the horizontal for another projectile having same range

R

and speed is

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 1

Two particles

A

and

B

start moving with velocities

20 m s^{- 1}

and

30 \sqrt{2} m s^{- 1}

along

x

-axis and at an angle

45 °

with

x

-axis, respectively in

x y

-plane from origin. The relative velocity of

B

w.r.t.

A

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

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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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)