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A simple pendulam of period 2 s is suspe...

A simple pendulam of period 2 s is suspended from the cielieng of a car at rest. The car moves horizontally with acceleration 4.9 `ms^(-2)`. Find the period of oscillation of the pendulam.
[Hint: Bring the car to rest by applying inertia force. Consider the moition of the pendulam in this condition . `T=2pisqrt((l)/(sqrt(a^(2)+g^(2))))`.]

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The correct Answer is:
1.891 s
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