[填空题]
The lengths of the sides ou d x,0jnpaf*:+ c*fu 1i6ioonf a re 2a 6gk5)ilqnkctangular plate are measured, and the diagram shows th6 ak)qi5k2n gle measured 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 percentav:tumey-xsr7o+6 fwzq7 m ,obih-u9 3ge 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 4ft76-7q:uoerwi,y-9m3mzxs bhu + o v%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
