[填空题]
The lengths of the sides of a rectangular plate07 hn iz3mh5 fxul2t3p ab0h 1wqn+1yz mre measured, and the diagram shows zb01yh+1mnwq the measured 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 multiplicat:.z/o:i oz 2eu bj*opau5h2yh ion so the percentage uncertainties need to be added. Uncertainty in length is hh5oz/ zpyi2b2ouea *.:: jou 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
