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JAMB Physics 2007 Question 50

Question 50

Simple Harmonic Motion

From the diagram above, the bob of the pendulum has the fastest speed at

Diagram for this question
  1. A.W.
  2. B.Z.
  3. C.Y.
  4. D.X.
Show the answer and explanation

Answer: D (X.)

Explanation

The bob moves fastest at the lowest point of its swing, X, where all its potential energy has become kinetic energy. It is momentarily at rest at W and Z.