[填空题]
The lengths of the sidegkp8n qn wv 4*c;ctn7ru;c55es of a r cu2e vogwu2;;ectangular plate are measured, and the diagram shows the measured values wit;vuo2;u wg ce2h 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 eplcj8.d;d csqym z1 3 eo5d/ ,1/zdbzbe added. Uncertainty in length is one part in 50, i.jz1.3sdqc dz5p // ,b o;dm8cey1dzlee. 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
