Chapter 12.2, Problem 12.2QQ

Consider a graphical representation (Fig. 12.3) of simple harmonic motion as described mathematically in Equation 12.6. When the particle is at point Ⓐ on the graph, what can you say about its position and velocity? (a) The position and velocity are both positive. (b) The position and velocity are both negative. (c) The position is positive, and the velocity is zero. (d) The position is negative, and the velocity is zero. (e) The position is positive, and the velocity is negative. (f) The position is negative, and the velocity is positive.

Figure 12.3 (Quick Quiz 12.2)

An x–t graph for a particle undergoing simple harmonic motion. At a particular time, the particle’s position is indicated by Ⓐ in the graph.