Question:

The bob of a simple pendulum of ‘length ‘l’ is pulled through an angle ‘θ’ from its equilibrium position and them released. When it passes through its equilibrium position, its speed is given by: (g = acceleration due to gravity)

Options :

  • (a) √2gl(1 + sinθ)
  • (b) √2gl(1 + cosθ)
  • (c) √2gl
  • (d) √2gl(1 - cosθ)

Answer :

(d) √2gl(1 – cosθ)

Answer Steps :

step 1

step 2

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