[填空题]
The lengths of the sides of a rectangular plate are measured, aypx*: :;xdc8hx4bu hen;w )cend nd3u1o5m 8oj/irhm .rthe diagram shows the measured values with their 3/hjoi.5r d 8mnmo1 ruuncertainties. 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 p 2)y/ ssqu: n:,xbv a(mnbsk3mercentage uncertainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is:usayn)x 3: s/m2 ms (,bkqnvb one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
