[填空题]
The lengths of the sides of a rtshrm 67bs7tvj)w . i1ecqsv-vfez 1 ;u gy *a/uoop3go)b2)sl)tangular plate are measured, and the diagram shows the measured values with f uo*)saz3/bv 1);-qu ypgl)o vosge2their 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 multiplicatimsf,8 mz4 2axron 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 oam,2xr8sm 4z fr 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
