[填空题]
The lengths of the sides v0t6*fb2 6 l/ulbn bfxof a rectangular plate are measured, and the diagram sk0dq0sv c mbn 3-7 .hb :osh2rqbn3b,phows the measured qb,h2qbn3rb-0b:0 kvh sop7.3sdmncvalues 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 perce lt.vbgny 9vlu+1p+ x u 9-ekxewbc*)1ntage uncertainties need to be added. Unceryb u*nwg9+-+xtub19 .pl)cexkl 1v evtainty in length is one part in 50, i.e. 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
