[填空题]
The lengths of the sidesrrm3 +kss;,mfe6 5 4pizsj ns2dk9/zw oi od-z f yp) )tij)kv4(qsfc9 9uxr7h2f a rectangular plate are measured, and the diagram shows the meas svyx7uc )z4d)t)qf99h p irfk-2o ij(ured values 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 peri6f7mst ry (c6centage uncertainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the heig fsy6c(6 7rtmiht it is one part in 25 or 4%. Adding the uncertainties gives 6%.