[填空题]
The lengths of the sides of a rectangular plate are measurjn1 ufr * a 0d4ti)tdiyt7:zk7ed, and thy5e 37muo w5gne diagram shows the measured values w7mgywen53uo5 ith 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 )ob1ffomnp mnn4h 0;o)-xw 1e need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one part in 25f)feonw; -4pm nnob h01 ox1m) or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
