WAEC - Physics (2000 - No. 11)
The bob of a simple pendulum takes 0.25s to swing from its equilibrium position to one extreme end. Calculate its period
0.25s
0.50s
0.75s
1.00s
הֶסבֵּר
period = 0.25 x 4 = 1.0sec, time taken to make one complete circle.