[填空题]
The lengths of the sides of a rectangular plate ar :p6)bb e 8s-yd9uxnupe measured, and the diagrau;8 v3cq utu)olu)o d5c0pa6dm shows the measured vat cuau5d)l ;o vdc0) o38qp6uulues 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 :zvk 1i)f wpp.2s 6odlneed to be added. k fs21):pdz6l w.opvi 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 uncertainties gives 6%.
Post time 2024-8-21 21:38:19
