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Standard XII

Physics

Friction and Vertical Circular Motion Problems

A particle st...

Question

A particle starts from rest & moves in a circle of radius 3 m. Angular acceleration of the particle varies as $α$ = 4 t rad/ ${s e c}^{2} .$ Then:

particle is moving in a uniform circular motion

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Particle will travel a distance of 2 m after 1 sec

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Angle between the velocity & the acceleration vector will be

45^{0}

after 1 sec

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After 1 sec, speed of the particle will be 6 m/sec.

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Solution

The correct options are
B Particle will travel a distance of 2 m after 1 sec
C Angle between the velocity & the acceleration vector will be $45^{0}$ after 1 sec
D After 1 sec, speed of the particle will be 6 m/sec.

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A particle starts from rest & moves in a circle of radius 3 m. Angular acceleration of the particle varies as α = 4 t rad/sec2. Then:

The correct options are B Particle will travel a distance of 2 m after 1 sec C Angle between the velocity & the acceleration vector will be 450 after 1 sec D After 1 sec, speed of the particle will be 6 m/sec.

A particle starts from rest & moves in a circle of radius 3 m. Angular acceleration of the particle varies as $α$ = 4 t rad/ ${s e c}^{2} .$ Then:

The correct options are
B Particle will travel a distance of 2 m after 1 sec
C Angle between the velocity & the acceleration vector will be $45^{0}$ after 1 sec
D After 1 sec, speed of the particle will be 6 m/sec.