[填空题]
The lengths of the sides of a rectangula1/1f u 6zqm rys34svydy /lho+r plate are measured, and the diagrajev 0/d,w lof3m shows the measured values wit ,e/w3 ldvjof0h 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 uncertainties need to be addkj 9e;f6w - kr/ wnuw0-gi7lbz .fzk2aed. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is 2a k 6e;fginf ur.wjb9zkzl-ww-k /07one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
