[填空题]
The lengths of the sides of a rectangular plate are measureu,hytn t e-fj-.1:nf enr/dd /d, andf5/io n ns1fd :3n1s/etl+qmw the diagram shows the measured values with their 5 1em1nst +/lfn:son dw /i3qfuncertainties. 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 multiplicat4(dpmbu;: - g- xvxndrion so the percentage 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 uncertainties givdvmg4-(ud npx rx;:b-es 6%.
Post time 2024-8-21 21:38:19
