[填空题]
The lengths of the sides o6 /ro nre0i)y; o7do,6wvfacbw( ehv4zh0 tc7f a qor7pt*i, xi5* se)zt rectangular plate are measured, and the diagram shows the measured ve,*r7*)o s pi5zixqttalues 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 percentage unce: 3ra)g;,;sb nnaj)2a xglz7afkl:hmrtainties need to be added. Uncertainty in length is one pnmak lgl;;js:)xb:anraf ah z3,27)gart 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
