[填空题]
The lengths of the suxcys24 azt0iuq2 zas4d :e9-k7zj4xides of a rectangular plate au5hulj7r 0sp)eq pf h4u7v8l7re measured, and the diagram shows the measured values with their uncertaintiehj0sr7p87u)hvull5upq4 fe 7s. 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 percentage uncertainties need to be wu2u100 svmk b:9e . crcz-cmnadded. Uncertainty in leng9mm1 r 0nvc.-w2z buu:sek 0ccth is 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
