[填空题]
The lengths of the sides of a rectangular plate are measzh8uyu5rquvgu0-rm 7; 6w b. akhza*w7jx 3k .ured, and the diagram shows the measured vhj. wa*xkzk73alues with 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 multiplication so the percentage uncertainties need to be addedj ;3zlu9u 0e; n7d.ssakia1n o. Uncertainty i j.ldu u insoa1a 3e7z0k9;;snn length 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%.