[填空题]
The lengths of the sides of a rect1(rc4xpm: u hdangular plate are measured, nitwxv(tei)y q6/j o l-p;/h2 and the diagram shows the measured wtn(-ptyq h;evxj /6i /o)l2ivalues 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 percen u+gt0;o leqn1tage 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; + tneo10ugql gives 6%.
Post time 2024-8-21 21:38:19
