[填空题]
The lengths of the sides of a rectangul; / 1cuf,3l a2htlvz-z/a enoyar plate are measured, and t djzogmijn/+5mr: q: /he diagram shows the measured values with n /gjmi :5q:z jo+rdm/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 ner+2,1p s ulsidnbza :+ed to be added. 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%.2 + siplbdrs1u,+ z:an
Post time 2024-8-21 21:38:19
