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A1 practical: Measuring g (card drop) example results

The uncertainty in distance is the uncertainty in measuring the length of the card. The uncertainty in the ruler is about ±0.05cm at each end but is also difficult to cut the card exactly straight so the uncertainty could be slightly bigger.The uncertainty in time measurement was taken to be the smallest digit in the timer display however the spread of data suggest that it is higher, for that reason ½(max-min) was...

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