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SIMPLE PENDULUM

SIMPLE PENDULUM

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SIMPLE PENDULUM

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  1. SIMPLE PENDULUM

  2. SIMPLE PENDULUM

  3. SIMPLE PENDULUM

  4. SIMPLE PENDULUM

  5. SIMPLE PENDULUM

  6. ENERGY • U = mgy = mg(L – L cos q) • E = K + U =½ mv² + mg(L – L cos q) • E = mg(L – L cos qm) • mg(L – L cos qm) =½ mv² • + mg(L – L cos q) • – gL cos qm =½ v² – gL cos q

  7. ENERGY • ½ v² = gL cos q – gL cos qm • v² = 2gL (cos q – cos qm) and s = L q

  8. ENERGY

  9. Amplitude