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Question

A particle P is moving in a circle of radius 'a' with a uniform speed v . C is the centre of the circle and AB is a diameter. When passing through B the angular velocity of P about A and B are in the ratio

A
1 : 1
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B
1 : 2
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C
2 : 1
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D
4 : 1
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Solution

The correct option is B 1 : 2

Angular velocity of particle P about point A,
ωA = vrAB = v2r
Angular velocity of particle P about point C,
ωC = vrBC = vr
Ratio ωAωC = v2rvr = 12


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