[填空题]
The lengths of the sides of a rc3w3u1fls d(wtozpx nl* l7,4ectangular plate are me1t xwz1 -7,nxcsqc g8v 1r2axiasured, and the diagram shows the measured valuer,ix7c2xa1n1 g1c vq z-s8x tws 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 perce plfkhqmke nd 8+nq(+jwp6nf+:w0 8m +ntage 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 28dwmpf+ +:qefl +m +6(8pnqnkh 0nkwj5 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
