[填空题]
The lengths of the sides of a rectangulbn-l.-wo i4u+k5jwl7 1fyo0 ti uj zt.ar plate are measured, and thegjt m(z+cr8n;o (quy/ diagram shows the measured values with the ;mjg(zqcu(no+8yr t /ir 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 tho i:cs)+x00f xq6i teyu8ns4z e 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%. Adding the uncertainties tx+4s:ue oc 0q0yzfn8 )iix6s gives 6%.
Post time 2024-8-21 21:38:19
