[填空题]
The lengths of the sides of a rectangular plate are measur.,8;jnu j3v)1d5gibgxn w dmied, and the diagab.ya b(*jm 8gram shb 8.aymg(ja*bows the 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 multiplication so the percentage uncertainties need to be added. 3ba w* *wakxe4/mfd0z 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 uncertaintiwm0 a*xdafz34bwe*k/ es gives 6%.
