[填空题]
The lengths of the sides of 2c f j+ud 93guat cwe(yj)p/.ba rectangular plate are meazkche(4b+ y8s5+fdivnb m0itr ib562 sured, and the diagram shows the m5 tbb4s(ni vdb +y0k +mzf ie8rc652hieasured 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 thec (kcs4lgm6u5:ea +qbeo0 avp x50j/j percentage uncertainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the heigec q+j0:aj bo4 p ekc0 (vm/au56sx5lght it is one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
