If x = A sinωt, the average speed over one complete period is:

Question

G1 Physics · Accepted Answer

Over one complete period the particle travels from 0 to +A, then to −A, then back to 0. Total distance in one period = 4A. Period T = 2π/ω. Average speed = 4A/T = 4A/(2π/ω) = 2Aω/π.