[填空题]
The lengths of the sides of a rectangular plate are mealr5 z(b16 miecj::ox4tns;sv 1a8d2hf8uy x3:er8 3vu fa mtusured, and the diagram shows the measured values with their uncertaintie8uy3a: tdfv8ua3 eumfr 82x 1hs. What is the percentage error in the area of the plate? %. (Remember to exclude the % symbol with your answer.)
参考答案: 6
本题详细解析: Area involves a multiplication so the wk -l2xqk8d +epercentage uncertainties need to be added. Uncertainty in length 82 w-kqlk ex+dis one part in 50, i.e. 2%; and in the height it is one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
