[填空题]
The lengths of the sides cm69v y6d /oqn.oo4 loof a pau1jg;mvk 3 od,ocz3;p.af ,a ( j0jhrectangular plate are measured, and the diagram shows the measurepg ajd;;u 3zfj,avo0a hk1(m., jcp3od 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 uncertwqwpom/. bi-,d m4xi5qlu .j8ainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the heig8ubm4xw5o-d. lijw q, q/m.ipht it is one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
