[填空题]
The lengths of the sides of a rectangulafsz 0x toa;0+t8i o(uor plate are m7w5d 5-2h g mrize2psjvrn)+aeasured, and the diagram shows the measured values with their uncertain7s iwma 5r )re2hvp j+5gnd2-zties. 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 per r.sywt40 rk(fcentage uncertainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the heighwktsrrf(. 0y4t it is one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
