[填空题]
The lengths of the sidepfgtt7wg xn -p*35 m7os of a rectangk 7oggyq+ x x7bh1tvla-31 ow,w5zv p(ular plate are measured, and the diagram shows the measured values with their uncertainties. wlx7q+vo1k13 v x(hzto5- gwgb,p7ay 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 uncertainties need to be added udfbix( ;0yz+lei)/c. Uncertainty 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 give0 /izey(x i+l u)fbd;cs 6%.
Post time 2024-8-21 21:38:19
