[填空题]
The lengths of the s:*nozhsvk41ci. p3u fides of a rectangular plate are measured, and tho211d+ptgii,tghul+h: h( ml( dr( lre diagram shows the measured values with their uncertado,ulgl:ii 1 thm(rd (h prth(2g+l+1inties. 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 p3cc;-dd9dp jf9 i wxj/9 g1ygfercentage 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 givdwi31 -fjdp9c;g9cgyfx9j/d es 6%.
Post time 2024-8-21 21:38:19
