[填空题]
The lengths of the sides of a rectangular plateu d5:j65u ra2sxg-ulz are measu ypao6q*hu /k.red, and the diagram shuo.k ap /hyq6*ows the measured values 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 su 80oth5 vuaox8i) o/,p bgo5to the percentage uncertainties need to be added. Uncertainty in length is one part in 50, i.e.o85t)x0u i,/ ou8po tbvh g5oa 2%; and in the height it is one part in 25 or 4%. Adding the uncertainties gives 6%.