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A particle is moving in x-y plane. At an...

A particle is moving in x-y plane. At an instant, it has velocity `(4 hat (i) + 4 hat(j)) m//s` and acceleration `(3 hat(i) + 5 hat(j)) m//s^(2)` At that instant, the radius of curvature of its path will be :

A

`16sqrt(2) m`

B

`15 m`

C

`18 m`

D

None of these

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