The authors should have taken more care in determining the number of oscillations to use so that the uncertainty in the time is minimized while also keeping the effects of friction negligible. The aut...The authors should have taken more care in determining the number of oscillations to use so that the uncertainty in the time is minimized while also keeping the effects of friction negligible. The authors also claim to have measured the length of the pendulum with a precision of \(0.5\text{mm}\), but did not specify the length of the ruler that they used. However, the authors made the length of the pendulum as long as possible so as to minimize the uncertainty in the length.
