[填空题]
The lengths of the sides of a rectangular plate arekwq- *mb.bz(*qs-jbo measured, and the diagramfsmrqh (5,isb ih* ;u+ shows the measuumr (,+q;f *hh5 bisisred 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 multiplicatj;ay*;89vriwz9tgth ion so the percentage uncertainties need to be added. Uncertatwarvhzitg8 ;9*;j 9y inty in length 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
