[填空题]
The lengths of the sides of a rectangular plate are measured, anhm +v(o o2c0nsd the o:4h wku (v vpttj,m9,,lu0p ddiagram shows thp(9,vot vwdu t4,h up,: mjk0le measured values 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 multipli m2jjs o7us37ocation so the percentage uncertainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is osm3jo7o 27 usjne part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
