[填空题]
The lengths of the sidk . o6lixy x-v9hd*4vupt ;(aaq t-zlqea3n 34es of a rectangular plate are measured, and the diagram shows the measured values with tha q(a34ze3at nlq;pt -eir 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 uncertacj 1rwik/y9 b,inties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the 9ibwy,kr/1 jcheight it is one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
