[填空题]
The lengths of the sides of a rec9r q6- fdtlb wyr2e4o+tangular plate are measured, and the diagrh 5m n ln xrrzannq4aviejq/+.*ndi1 :+,ex/ 1am shows the measured values with their unce +/+/raine :qva4zxd5 nh,i. mnqnr*j1en1 lxrtainties. 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 fd )e.zfj3lmcy 2n/16(-zm rwlchte-need to be added. Uncertainty in lmd6zhr)jfe2 tfw1 (n./m-le - y3cc zlength 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
