[填空题]
The lengths of the side- dy7 18 a(jmnw:dok6b;bm2ylw ljog3s oz );+ wf-g0y68e5vhjfmk afcp f a rectangular plate are measured, and the diagram shows tf)fvc0pw8 jh56fa;yg +k-me zhe measured values 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 to be added.*v b5e:8ri9ete)i gmldrdz)i*vn/l 3 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 uncertainties )vmb zi*g itee5*d v3rr/ den8)i:9llgives 6%.
Post time 2024-8-21 21:38:19
