[填空题]
The lengths of the sides of a rtowwmaf 21ev39 .l:xvectan mu7bf:zy)) tkgular plate are measured, and the diagram shows the measured values wiumk)y7)z: bft th 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 multiplicatiyqac0piu0b64 on so the percentage uncertainties need to be added. Uncertainty 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 gqy06c0auibp4 ives 6%.
Post time 2024-8-21 21:38:19
