You have constucted a pendulum as shown here, and by laying a meter stick underneath the pendulum, you have measured the distance from one end of its swing to the other to be 30 cm (as shown). You have also measured the period of that oscillation, which is the time it takes to complete one round trip, to be 2.2 sec. Using these two measurements, what is the average speed of the pendulum bob. Average speed is defined to be average total displacement speed total time

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Estimate of calculation