Figure P11.4 shows a plot of the position as a function of time for a particle undergoin...

Figure P11.4 shows a plot of the position as a function of time for a particle undergoing simple harmonic motion. Identify the following points on this graph: (a) Where is the speed largest? (b) Where is the velocity positive with its magnitude being largest? (c) Where is the magnitude of the acceleration largest? (d) Where is the force on the particle zero?