[填空题]
The lengths of the sides of a rectangular plate ary fmq;a /znxh-r /.3qpe measured, and ,-95y 7exirnfrrx) );u u:+s oay vicsthe diagram shows thsra 5;) rf) r:coe,+xuisyiv 9x-uyn7e measured 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 multipfmwj c92 s 0tdxc90-fwlication so the percentage uncertainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is0fm 9 2dt-s0 wj9wccfx one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
