[填空题]
The lengths of the sid /(e j l8)akbkbevvn27is4je8es of a rectangular plate are measured, and thez;yso zf -yzll(15 q*ahf ;:di diagram shows zl;o:;dzzh- 1 (y5afiqy* fslthe 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 multiplication so the percentb5y aplk+yfn09ng n 6;age uncertainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one k9nfgn a0y +ny6 l;5bppart in 25 or 4%. Adding the uncertainties gives 6%.