[填空题]
The lengths of the sidesv8 0 oi(otra.5w+b c6gbib(z r of a fv-h l1j/+dkoimi*.9x kkq; fnf p 4n5rectangular plate are measured, and the diagram shows the measured values with their uncertaintie 1im+n5-. hf4 lx;*j9kdopq/ki vffnks. 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 uncertaint-w m: rg o8v.fncj6wt1ies need to be added. Uncertainty n-trmv 1.g:f cww8j o6in length is one part 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
