[填空题]
The lengths of the sides of a reca424 :px87phrmzl, 7nxr dscatangular plate are measured, and the dia xi39)d; q:k4z os ls2hymsm5zgram shows the measured values with their unc9:4;oi zm 2sss qdzm5xhk3)l yertainties. 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 multipliwicl faz,,d3wr i18d ,cation so the percentage uncertainties need to be added. Uncerzi8wfcd,3 ld ,1iraw,tainty 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 6%.
Post time 2024-8-21 21:38:19
