[填空题]
The lengths of the sa g *9hvdf;fe6i-k -ko8*f kkki j-4dqqdes of a rectangular plate are measured, and the diagram shows the meask-ik*qqj-k-o 48 fkdkured 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 multiplication so th3p php2bmlgb(c/;1ak f/ kao74 gkbp3e percentage uncertainties need to be added. Uncertainty in length is one partb1h/ pk;/m o a37gf4bckpap g p23lkb( 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
