[填空题]
The lengths of the sides of a rectangular plate are measured, and d5,x4xy ewi 7bthe diagrami94 k4m*n i/ttls8:xldlv5 om shows the measured values with their uncertaivli i*tl45nt l9d /omxk4:8m snties. 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 be added.xz(hlbdpkq-.*h3-k ym(w( sq Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one part in 25 or qxbz(h.hmlq -*k (k py(d3s-w4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
