(a)[1]
State which student selected the correct movement for one period of a pendulum.
(b)[3]
Calculate the time for one period of the pendulum. Express your answer to 3 significant figures.
(c)[1]
State the displacement, expressed in millimetres.
Physics 0625 · IGCSE · Motion
Motion — practice question
Four students P, Q, R and S each try to determine the time period (the time for one complete oscillation) of a pendulum. The arrows in Fig. 2.1 indicate the pendulum motions that are timed by each student.