[填空题]
The lengths of the sides of a rectangullpx i4) 9,;nz,(emzfa2wi :0ctwdtfbwtt2 6kar plate af :2u7d.ocv ec5jh(2jyztl2fre measured, and the diagram shows the measured values with yc27 eof25(2lh:d jv tj.fzuctheir 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 i ub):a 3zxrgqiovz9/f6n4-iadded. Uncertainty in length is one part in 50, i.e. 2%; andi 6:-3b in)ozvriz/9 qf4 uxag in the height it is one part in 25 or 4%. Adding the uncertainties gives 6%.