[填空题]
The lengths of the sides of a rewe5q8nr 9y :08rfhk yei g;c+:lxb e8uctangularb9 ns ea**jrjf+u76upj nx*;d plate are measured, and the diagram shows the measured valuexpujn*eanb f 7+s*; j9dr6 ju*s 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 uncertainties need to be jacmt kgds1.6c fc+8)added. dfc js6cm a8+kg ).1tc 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 gives 6%.
Post time 2024-8-21 21:38:19
