[填空题]
The lengths of the sidestx2s) /- dsbbk17k p42 jpuyp23o jwzs of a rectangular plate are measured, and the diagt o jeo3nb l/6/ n.q;dr;bf/cgram shows the measured values with their uncertaintie6;n/ot.brleog 3 /qj nd cf;b/s. 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 multipl gyg;ycp ajntz71*t+22aub r0ication 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 part in 25 or 4%. Adding the uncertaij01z rbg+*p ;g2tu y7na2tyca nties gives 6%.
Post time 2024-8-21 21:38:19
