[填空题]
The lengths of the sides of a l (wbw(wxgvj,(0jv,b rectangular plate are measured, and the diagbw6dmhg ,rzoa3c*0 les9 *t (hram shows the measured*cwm e* hts6hzrg,9( olad3b0 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 percentrgroby(q )y;d d*2mv6us e9m5age uncertainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one part in 25 or 4%. Adding the uncertainties gives 6%.)9e *bqdvy ys 5gm(u6; 2rrmod
Post time 2024-8-21 21:38:19
