[填空题]
The lengths of the sides of a rectangular plate6n jfrhmlk/o0d 1be:5sy+tj : are measured, and the diao9dm gry 852lw(sz,sigram shows the measured values with their uncertainties.i5dos8sl(rw y9 g2z,m 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 multiplicatio+fcwoyrfo -ro lta5 c05r;, 5mn 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 pa +ocf5 5w0;r5tcoryfoa - ,lmrrt in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
