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Chapter 1 · Physical quantities and units·hard·Systematic and random errors
An experiment measures the acceleration of freefall, 'g', by timing the fall of a sphere from a known height. The timer used has a zero error, always reading 0.05 s when it should read 0.00 s. Additionally, air resistance, which is not accounted for, slightly reduces the sphere's acceleration. How will these two factors affect the calculated value of 'g'?
