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A student calculates the acceleration due to gravity and determine it to be 9.72 m/s2. What is his percent error, if the accepted value is 9.81 m/s2? Q. You estimate that the maximum error of an equal-arm balance is 0.01 g. What is the possible percent error when you use this balance to calculate each of the following masses?
(a) 700 g
(b) 3 kg
(c) 20 g
(d) 1.0 g
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