[填空题]
The lengths of the sides of a rectangular plate lba ;zwe(dvcnk,) h (:k :ms)g1os b*aare measured ang5qza br3e*:/v e7 t:sgih/, and the diagram shows the meashs7*e/gbv5 qrt n: ai z3ea:g/ured 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 s y/zj ge,1ki92 -0k7 th cus)g6iwvovzo the percentage uncertainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and ihkc9w ,zi 2z07voyuej)s/- g6ti1 vgkn the height it is one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
