[填空题]
The lengths of the sides of yf 6gpnetx :q6* f0hs(a rectangular plaelxptf-f) p:t4rwzu3+p u 08nte are measured, and the diagram sh8 lept+p0-pf4tu : z)rx u3wnfows 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 adm ,o8y9 a.zqpty/k4 wpgom+q9ded. Uncertainty in length is one part in 50, i.e. a9m wg .zoq8 qm/ 4+pokt9yyp,2%; and in the height it is one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
