[填空题]
The lengths of the sidsqye(wfd /qqpvx(km l 44( l:*es p/eisu,x7ii 7of a rectangular plate are measured, and the diagram shows the measured values with their uncertainties.sp xi/, e7iiu7 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 unc1emz34 i6wmm z f .u(qr0njap0ertainties need to be added. Uncertairpjmaei63.4f0wz 1u (mnzm0q nty in length is one part in 50, 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
