[填空题]
The lengths of the sid-v nlndn1 ebz9.6-pn* qacxm9es ovd6 aym5g * ttra j3pbfk jlx:9xyl*n6);k/-yf a rectangular plate are measured, and the diagram shows the measured values/yt*by *:gdpj;a ltkv 9rn6jy 3xx)-6a5fk ml 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 advjwc.dr3-8c hho 1i.c0gz 7 mdch3*ejded. 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 uncertwvc*he78d.ric hcjc o 0dm. 33zjgh-1ainties gives 6%.
Post time 2024-8-21 21:38:19
