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in Physics by (76.5k points)
A second pendulum is attached to roof of a car that is moving with acceleration `10m//s^(2)` on a straight road. Its frequenct of oscillation is
A. `(1)/(2)Hz`
B. `1Hz`
C. `(1)/(sqrt(2))Hz`
D. `2^(-3//4)Hz`

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1 Answer

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by (76.7k points)
Correct Answer - D
`f = (1)/(2pi) sqrt((sqrt(g^(2)+a^(2)))/(l))`

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