Two particles A and B are moving in a uniform circular motion in concentric circles of radii rA and rB with speeds vA and vB respectively. Their time periods of rotation are the same. The ratio of angular speed of A  to that of B will be:

1. 1: 1

2. rA : rB

3. vA : vB

4. rB : rA

Subtopic:  Circular Motion |
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A particle starting from rest moves in a circle of radius 'r'. It attains a velocity of v0 m/s on completion of n rounds. Its angular acceleration will be:

1. v0n rad/s2

2. v022πnr2 rad/s2

3. vo24πnr2 rad/s2

4. v024πnr rad/s2

Subtopic:  Circular Motion |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology