[填空题]
The lengths of the s nx c9+ngky1rk:8;bov ides of a rectanv81vgwx0v 4m ;t af.dwgular plate are measured, and the diagram shows the measured values with their uncertaintiesmw.a vwd x41v;0f vgt8. 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 uncertaintiesyzt.,jo a.c8f j-a yst8 .nt(g need to be added. Uncertainty in length is one part iztay,.t ns(. f-8j go.8ay tjcn 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
