Question

The period of oscillation of a simple pendulum of length L suspended from the roof of a vehicle which moves without friction down in an inclined plane of inclination α, is given by

• A. $2\pi \sqrt{\frac{L}{gcos\alpha }}$
  
• B. $2\pi \sqrt{\frac{L}{gsin\alpha }}$
  
• C. $2\pi \sqrt{\frac{L}{g}}$
  
• D. $2\pi \sqrt{\frac{L}{gtan\alpha }}$

Answer 1

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