[填空题]
The lengths of the sidj p xaf3q,mfl- j7 )lar5z **nusrn1l(es of a rectangular plate are measureds2;3lbr fqb- ( zt,eip()w9 su dtolz3(khoc 6, and the diagram shows the measured values wibq((w- sozd;c(p 3tb6srz3 2eh9oi, )kfltul th 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 multipo9 lxf2tua/ 1ysnh 0sdtk 8/mx3nq)w 1lication so the percentage uncertainties 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 uncertainties gives 13u0/hd89 x)/l1ss xw 2tknot amynqf6%.
Post time 2024-8-21 21:38:19
