[填空题]
The lengths of the sides of a rectam*jma *94 s3w(dkzn thngular pl 9 urufhzqgi l0p1s10dx9jn 58ate are measured, and the diagram shows the m18ujp09 h1qr95 xigz0sud fln easured 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 the percentage uncertainth 2g d* nzu9gu;kui1,dies need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one part9 g;gh u d,n*z1u2duki in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
