Position is x = t³ − 3t. For 0 ≤ t ≤ √3 s, the average speed is:

Question

G1 Physics · Accepted Answer

v = 3t²−3 = 3(t²−1). Turning point in the interval: t=1. x(0)=0, x(1)=−2, x(√3)=0. Total distance = 2+2=4 m. Total time = √3 s. Average speed = 4/√3 m s⁻¹.