[填空题]
The lengths of the syd ryg-( cd x(o:h4pe3r)uu x28srj8y h32 z pk-wjei/ides of a rectangular plate are measured, and the diagram shows the measured values with their j8zyi wkhs 2-8rjep3/ 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 uncertainties need to b(j oxsri 9h6r h4y m4:5qkxb2ge added. Uncertainty in length is one part in 50, i.e. 2%; and in the heighi s 692rjyqx5(kro4 hxb:m4g ht it is one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
