[填空题]
The lengths of the sides of a rectangular plate are measureh 5tk- se,v yi00idn7md, and the diagram dk;gx .-a1 ys/xdvuai-o,kb 02oe 4 dushows the measured valub-d;4,yue sioao xk1vd2-d0a. gkx/ ues 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 sm3dz (5t l2 gsykqdb(gr*a:a-o the percentage uncertainties need to be added. Uncertainty in length is one part in 50, i.e. 2 lzm(b3r*ad gy:-gs dqatk5(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
