[填空题]
The lengths of the sides of a rectanm3m: suf2l d3e/i4hhh gula ix 9j3wkvy7go p(d19mr plate are measured, and the diagram shows th(9jy x7 k9ido31gvmwp e measured 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 percentage uncere bn2hu+ fkd:)tainties need to be added. Uncertainty in length is one part in 50f )kd 2+uehnb:, 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
