[填空题]
The lengths of the sides of a rectangular plate are msn,d/uopsn t vp,z8,* easured, and the d09,*lco,sdi ev1 i5r/fk i+qy* rcwiliagram shows the me0 oqfi*lv iwi5* dsriecy9,l+1,r kc /asured 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 s0aazqk-9 *, ojh dvx+.k/goi bo the percentage uncertainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it id k-o jbq 9io.ga0*h/vkz,x +as one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
