[填空题]
The lengths of the sides of a r+izeo2vj ,8 9ucmzf9yi+ xg( nectux mjzy5e9o( 1)r4:6qrp5l 7kkqenit angular plate are measured, and the diagram shows the measured values with their unekq k( n iuzm6)l 5x1o:rr4tp e579qyjcertainties. 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 multiv+ lizy(ibrfl6wox afw7 h 5,;u5 5cy4plication so the percentage uncertainties need to be added. Uncertainty in length is one part u w45az+oy;viwh (6xflb7 l5yci,5 rfin 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
