Q 1148823703.     A block of mass `m` is suspended by means of an ideal spring of force constant `k` from ceiling of a car which is moving along a circular path of radius `r` with acceleration `a`. The time period of oscillation of the block when it is displaced along the spring, will be


A

`2πsqrt(m/(ksqrt(g^2)+a^2))`

B

`2πsqrt(m/k)`

C

`2πsqrt(m/(k^2+g^2+a^2))`

D

`2πsqrt((mg+ma)/k)`

HINT

`T = 2πsqrt(m/k)`

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