[填空题]
The lengths of the sides of g1 l :iztv5bzmb1e10 9d(n+ qc kmur-qa rectangular pln fde+mm 3+g5wate are measured, and the diagram shows the 3+5g nwdme+fm 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 hji0d-/ of jy).feb6jrgl+5 b;*i gnkadded. 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 uncertainti;ek 6g.ybrojj-ili/ )*nj +hgdb f f50es gives 6%.
Post time 2024-8-21 21:38:19
