[填空题]
The lengths of the sides of a razwa , 1s:)6ytuiy9vyectangular plate 0 +x 6g vguy aw5yo:cji+.g-roare measured, and the diagram shows th a g5+yo.-: 6 vyruxgj0gic+woe 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 multiplic(2sqh s2i6nj(i:r ;r4xls utwation so the percentage uncertainties need to be added. Uncertainty in length is one part in 50,6 is( 4;2i x :(uw2rslqtrshjn 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
