[填空题]
The lengths of the sides of a rectangum,qm s4znlq*m5 .:mwflar 5yop:6pdr ;f kzieb8- plate are measured, and the diagram shows the measur; 6 bip5-8kpfrezyd:oed 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 pevsonyxlu er ,))::v 2ercentage uncertainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and uly r:o v,:)exvs)e 2nin the height it is one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
