[填空题]
The lengths of the sides of a rectangular plate arej i b2w1 z-1e/lh2mxzu measur*mrkgv,i;6 2d emq2 hzed, and the diagram shows the measured values with rqk 2me,ihv m6;*2 dgztheir 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 uncertaintiez 1 y+vtpttkk: +tmqm5j -:dc;s need to be added. Uncertainty in+ ;ct 5:-z+kjmyt v kttqpd:1m 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%.
Post time 2024-8-21 21:38:19
