[填空题]
The lengths of the sides of a rectangj(pc.8mby8fy 5qzl m9(l ef v 2qoyt/*ular p m,6vn y6wq0ze:zbew 4late are measured, and the diagram shows the measu0:e6 q4zbvwyw nm ,6ezred 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 uncertainties need to xi);wd qig :x1sy.36di u5smcbe 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 uw1is)6m 5ys:c; iqdi 3dg.xxuncertainties gives 6%.
Post time 2024-8-21 21:38:19
