[填空题]
The lengths of the sides of a rectangular plate are measa3h2z n44i wn0nydt :oured, and the t0u j2ne6amc i,cj*0z diagram shows the measured values with their unce, c n6 0uzm2*ec0ijajtrtainties. 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 neels,a8ft5c-iz3s kg kj+( ftj5 d to be added. Uncertainty in lengt5fatcf(kjl gisk,j8+ tsz3 5-h 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
