[填空题]
The lengths of the sides of a rectank /f e/njo+8vlgula2h4 lyfda7fsskqaoyr7++o n 7a, ;w;ur plate are measured, and the diagram shows the measured values with their of yk on7ahda qa,+7;sf+yw24u7ls; runcertainties. 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 multiplievqd kl37es:zk4+1 qd cation so the percentage 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%. Add v3e+q1skdez kqd 7:4ling the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
