A-level Physics · Uncertainties

Combined % uncertainty

Add percentage uncertainties, doubling or tripling the one for a squared or cubed quantity.

0 correct out of 0Streak: 0

Question 1

A student finds the acceleration of free fall g from the period of a simple pendulum using g=4π2LT2g = \frac{4\pi^{2}L}{T^{2}}. The measurements are the length L = 0.726 ± 0.002 m and the period T = 1.85 ± 0.02 s. Calculate the percentage uncertainty in g. Give your answer to 2 significant figures.

%

You can type 4.53, 3.2e-5, 3.2 × 10^-5 or 7/3.

Your progress is kept on this device only. Nothing you type is sent to us.

Stop spending Sunday on Monday's lesson.

Free to start, no card. Your first lesson is about two minutes away.

Start free