[填空题]
The lengths of the sides of a rectangular plate are1 n v-oynokd,2q2x 1pk measured, and t5+dn 8 3awxfalhe diagram shows the measured values with their lwa8+fdaxn53 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 multiplica5/eu 2/zfau9zzf r7xo:a j2 e/i exy,xtion so the percentage uncertainties need to be added. Uncertainty in length is one pae xf5z/u2x eeza:a,xfj/ yr2o/u 79iz rt in 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
