[填空题]
The lengths of the sides+(zsbi qwj4 q) of a rectangular plate are measure*2 t adq as2 3gjkpggc8(-im/ld, and the diagram shows the measurek ag(gipg/ 3q2t*d- l82mjacsd values 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 9nvfc b 7l63yawy0su9nm0t*d 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%. fywdnb6sm al37* cut0 ny 990vAdding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
