[填空题]
The lengths of the sides of a rectangular plate are measuredf0ay+p8d)h td */xio x, and the diagram 9 zehcmyw fi,h-+; lb:shows the measured values with their u+ zm hb ie9:c-whfy;l,ncertainties. 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 uncertainti2ccuknw41q(2 ylv66 w wupoy+es need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one part in 25wk2cc6w4n2u1w 6 vuolyyqp (+ or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
