[填空题]
The lengths of the sidmie.( u)fg 1szes tff* xakp /h/73wuhv b*oie.-of a rectangular plate are measured, and the diagram shows the measured values with their un*e/ 7 /f kiu*fvt-xh.wa3pbohcertainties. 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 twqh e;pa3n7g,he percentage uncertainties need to be added. Uncertainty in length is one part in 50, i.e. 2%w qgna,3;h7pe; 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
