[填空题]
The lengths of the sideaier d7fs. h 7+ofjw*0vo7wnf l2i7f+oee6 ( txd4r9n b4ti mtvnj;53s of a rectangular plate are measured, and the diagram shows the measured values with 9o;mj etv 43tib ern(txd6n45their 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 percentaxa;2zx l*+cbf + (uhdr5o5zvd ge uncertainties need to be added. Uncertainty in length is one z;5*lxbuarh2x+zdv o5 +cf (dpart 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
