A vertical string, suspended from a fixed point and having a small mass attached to...
PHYSICS
WAEC 2010
A vertical string, suspended from a fixed point and having a small mass attached to the free end is set into oscillations. Which of the following statements about the system are correct? i. The potential energy of the mass is a minimum at the middle of the swing ii. Its kinetic energy is a maximum at the middle of the swing iii. The sum of the potential and kinetic energies is constant throughout the swing
- A. i,ii and iii
- B. i and ii only
- C. ii and iii only
- D. i and iii only
Correct Answer: C. ii and iii only
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