[填空题]
The lengths of the sidedv rzpiec9 log()w ;cr+k)9v/* .hahcs of a re7 8+cv: rznswlu/yt+o ctangular plate are measured, and the diagram shows the or:8s/y+7vzw+ct lu nmeasured 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 so the percent 8g+pcd++vwa eage 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 uncertaintie+e c +ap+dv8wgs gives 6%.
Post time 2024-8-21 21:38:19
