[填空题]
The lengths of the sidx ,zi* hgxr2s(2 g;zvies of aaavdj l s-dr:8l,qb( vc2b2a4 rectangular plate are measured, and the diagram shows 4, r2-2a8jl vvd:l b(bqs adcathe 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 percentageryipohs 8/px;55kc2qbsb5 k2 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%. Acskx5i2oyr52sb5/qbp 8;k h p dding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
