[填空题]
The lengths of the sides of a rectangular plate are measured, and the dqzokm 0612;( tzdtlfbiagram sh0tfzmqz ;lo6k 2( dbt1nm4h 87 x)inz)g deel-ows the measured values with their uncertainties.zgx-)8n )4nh ee7mlid 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 multiplicatio6 :qb-xn:o 4ted8rmcj n so the percentage uncertainties need to be added. Uncertainty in length is one part in 50, i.e4nxr6co: 8jqde-mb: t . 2%; and in the height it is one part in 25 or 4%. Adding the uncertainties gives 6%.