[填空题]
The lengths of the sides fg()5i+y wp5l 9pjkxzofb1m)7 n.e o hu5vt p0xl1leaaa ,0)cmo a rectangular plate are measured, and the diagram shows the measured values wit1. x u,b hcempl)1o0ma)0lot a5nav 7eh 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 w5hn6 ;:agumt7hezys-yvdl*l/0 uy: ntage uncertainties need to be 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 the uncely6 -h0dtesnyvz7g u *y:u;am/5 wlh:rtainties gives 6%.
Post time 2024-8-21 21:38:19
