[填空题]
The lengths of the sides of a rectangular platp u-xae0/o73tyb4 r xwe are measured, and new7ke7/ km yx. :0zos;u*4ygmt py, wthe diagram shows the 07mn7 . :/,xwymszewyoe;k 4*uptykgmeasured 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 percentage uncehlr7m.t o7k eogt;g e;ex0r :.rtainties need to be added. Uncertainty in length is one part in 50, i.e.0e. k:rxlo .;7 gtgo e;e7tmrh 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
