[填空题]
The lengths of the sizovg ye0kfu;qr) 8,,sd ,hjnboa* j+ ./zg.gooes of a rectangular plate are measured, and the diagram shows*aoog.,jgnh+ boz./j the 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 multiplication so the percentage 3pw/z5fby+ cay4i d a*uncertainties need to be added. Uncec/yf+ d 5pw*biz3aya4rtainty 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
