Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 37

HARD

NEET

IMPORTANT

Earn 100

A body revolves with constant speed $v$ in a circular path of radius $r .$ The magnitude of its average acceleration during motion between two points in diametrically opposite direction is

50% studentsanswered this correctly

Important Questions on Motion in a Plane

HARD

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 38

An object of mass

m

moves with constant speed in a circular path of radius

R

under the action of a force of constant magnitude

F .

The kinetic energy of object is

HARD

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 39

The angular speed of earth around its own axis is

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 40

A particle moves in a circle of radius $0.25 m$ at two revolutions per second. The acceleration of the particle in $m s^{- 2}$ is

HARD

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 41

A particle is revolving in a circular path of radius

25 m

with constant angular speed

12 rev / \min .

Then the angular acceleration of particle is

HARD

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 42

Two particles are moving in circular paths of radii

r_{1}

and

r_{2}

with same angular speeds. Then the ratio of their centripetal acceleration is

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 43

A particle

P

is moving in a circle of radius

a

with a uniform speed

u .

C

is the centre of the circle and

A B

is a diameter. The angular velocities of

P

about

A

and

C

are in the ratio

HARD

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 44

A car is moving at a speed of

40 m s^{- 1}

on a circular track of radius

400 m .

This speed is increasing at the rate of

3 m s^{- 2} .

The acceleration of car is

HARD

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 45

Four particles $A, B, C$ and $D$ are moving with constant speed $v$ each. At the instant shown relative velocity of $A$ with respect to $B, C$ and $D$ are in directions

Question Image