[填空题]
The lengths of the sides +/a)oec v+y6 cnvxtz(of a rea:j2/vbxu97 v3oqzprctangular plate are measured, and the diagram shows the measured values with their uncer3 j /:pvb7rovaq2 xu9ztainties. 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 unce9ghv3ex 4c; o )myb.dirtainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one part in 25 or 4%. Adding the uncerta 4 h3dc;eyb)v9i. xmoginties gives 6%.
Post time 2024-8-21 21:38:19
