[填空题]
The lengths of the sides of78 r-koc6hch a a rectanguh r1mgn o/ 02-ja+zxzclar plate are measured, and the diagram shows the measuredgz-xmzn2 +j1 co ah0/r 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 smd4s5e. xv p(io the percentage 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 d5i x(s4v.me por 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
