CAPE Physics Unit 1 · 2013 · Paper 1 · Question Q17

The displacement of a particle undergoing simple harmonic motion is given by x = 8 \sin(0.4\pi t) where x is in metres and t in seconds. The frequency of oscillation of the particle is

1. (A)0.2\text{ Hz}
2. (B)0.4\text{ Hz}
3. (C)5\text{ Hz}
4. (D)8\text{ Hz}