[填空题]
The lengths of the sides of a rectangular plate are measured, and the+a3hz5xp: jtu diagramg 7u l2aen u0u805bsed shows the measured values with their uncertaintiesu75esu2ae8 dgl nub00 . 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 need to emj9k49nk g5k be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is onk9k e4n m5gkj9e part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
