[填空题]
The lengths of the sides of a rectangular plcs+d 6g7c,2 6n(e zb)lz haqnkat/oqehcm8tql46 c n2 2mk rkr0)e are measured, and the diagram shows the measured valuhq/ 4r 22m )rc 8qk0tleoncm6kes 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 percentage uncertaintiekjt*a+jzs2yn e3 x p)1 io:so2s need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the hej nko1y as ez2+*xj23ti:)p soight it is one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
