[填空题]
The lengths of the sd 6k z)eplr/b)gnin .fe (*9hhidxr ;(f6avo-x8sbpg nj6* o)maes of a rectangular plate are measured, and the diagram shows the measured values with6 o;*f o8gnxaar-sm jb)v 6x(p 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 multiplicaxethq/6 m4z -+ yk+hsetion so the percentage uncertainties need to be added. Uncertainty in lengtesh 6- hm+e/z+4 kyqtxh is 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
