[填空题]
The lengths of the sides of a rec /) ldo8zn2ur4n w8l+gtn;up ntangular plate,gw83p (tyfz-r+zo 2e z+jn ol are measured, and the diagram shows the measured values with their uncertainozy(,38znrez+-ow fjlt2+ gpties. 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 multiplicatio( ntvz mt6z-tlq xz6 lal81(mopzd52.n 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 giv 1t2(l dtlx8q z6a(6-p5lntz z.vo mmzes 6%.
Post time 2024-8-21 21:38:19
