[填空题]
The lengths of the sides of a rectangu0b) o:ptl0 jmzwrmp/7 (4ybt ol8h;ta lar p df-pbd5 gs*y9-l/n ktp,jrj)wbn5q ; late are measured, and the diagram shows the measured values with their uncertainties. n)jtp 95b5-gqpdbwln *d/s k-r yfj;, 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 uncertainties need to be*5krx1 nw8d)qb 9tvt y added. Uncertainty in length is one part in 50, i.e. 2%; an1ynvd *)t t9q5x8 krwbd in the height it is one part in 25 or 4%. Adding the uncertainties gives 6%.