[填空题]
The lengths of the sp/ :5ut7nythhd1 yj v3ideh4rv,udh7e(m;h u4e js of a rectangular plate are measured, and the diagram shows thu 4hvu m7dhr(ehe,j ;4e 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 b3 to)au5yo u:ie added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one part in 25 or 4%. Adding thtu yo:53a)ouie uncertainties gives 6%.
Post time 2024-8-21 21:38:19
