[填空题]
The lengths of the sides of a rectnanag2h g (32(2ycd pm0qn 7aoangular plate are measured, and the diayowh1y(q 24)n xxyv z6gram shows the measured values with their un1nyyyq2x vhzw o)(4x6 certainties. 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 uncek))naz+f v)w obly5s,rtainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one part in 25 or 4%. Addink+lf5))v ba,onyw sz )g the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
