[填空题]
The lengths of the sides ofh;7u.qvn .fkk a zno9amd+, d8 a recta1e24 vtmtth y8ngular plate are measured, and the diagram shows the measured values with the 1y42et tmt8hvir 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 percentagsf e7 h+dtv- 5*kho4vle uncertainties need 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 6o* d f7-lvv keh5+ths4%.
Post time 2024-8-21 21:38:19
