Eamcet Physics - 1 st Year : Unit 4.2 ( Work-Power And Energy) - Vertical Circular Motion Free Online Tests | Mock Tests | Preparation | Practice Tests

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A simple pendulum is vibrating with an angular amplitude of 90°. For what values of θ with vertical, the acceleration is directed horizontally

A. cos^-1 1/3

B. cos^-1 1/√3

C. cos^-1 1/√2

D. cos^-1 2/√3

E. None of the above

View Answer

Correct choice: B

Explanation:

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