[填空题]
The lengths of the sides of a rectand wo . un70i5vhbdlc(1gular plate are l- q.qsgdo2 2hmeasured, and the diagram shows the measured 2q-q sh2o dl.gvalues 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 so the percentage uncertainties neeb9-65rvc affa d to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one part-6bvf9r c afa5 in 25 or 4%. Adding the uncertainties gives 6%.