[填空题]
The lengths of the sideqrd2 uo2ro)t/.u2ru8llt (xts of a rectangular plate abfqjp59r;m, xzb ccd m fe4; 73c9 w1uwxb3+qgre measured, and the diagram shows the fc;b7wgmc539 1c,qbx3dr q4 buj;+xz f emp9w 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 peryu/..dev;dl xcentage uncertainties need to be added. Uncertaintd;u /.l vy.dexy in 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%.
Post time 2024-8-21 21:38:19
