[填空题]
The lengths of the sides of a rectangular platek (4 )eiwvzv :sti:9ej are measumwdcodl15 i p09odje+9n-b7hred, and the diagram shows thedo w9dlem +h-9po07 5cn1b idj 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 so q d2+g 05t4tk9hwkyhv (:huprthe percentage uncertainties need to be added. Uncertainty in length is one part in 55 hkh2p 4rq+t k(:0uwhdt9g vy0, i.e. 2%; and in the height it is one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
