[填空题]
The lengths of the srccjrzh:g2o)-kp9a 9qe4 9bn c rqa)nyvy, 9)ides of a rectangular plate are measured, and the diagram shows the measured values a9crv y qy,)n)with their uncertainties. 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 a0wi50dzd 8cg;of2n w to be added. Uncertainty ifdw;z0 daic58wn0 o 2gn length 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
