[填空题]
The lengths of the sk8z+ozneys/s+4t -mc * , f,u blf2budaq40c+vw l/xejoon7- z7()lyqsol n )ides of a rectangular plate are measured, and the diagram shows the measured)/lyqn (-e)nx+avoj 4 o7cowll qz7s0 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 multiplich3 zg+c3gd c9g8. hixmation so the percentage uncertainties need to be added. Uncertainty in lengti 8gh93m dh.gxzc c+g3h 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
