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A particle A moves along a circle of rad...

A particle A moves along a circle of radius `R=50cm` so that its radius vector r relative to the point O(figure) rotates with the constant angular velocity `omega=0.40rad//s`. Find the modulus of the velocity of the particle, and the modulus and direction of its total acceleration.

A

`v=0.4m//s, a =0.4m//s^(2)`

B

`v=0.32m//s, a =0.32m//s^(2)`

C

`v=0.32m//s, a =0.4m//s^(2)`

D

`v=0.4m//s, a =0.32m//s^(2)`

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The correct Answer is:
D
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