[填空题]
The lengths of the sides of a rectangular plate ar5wuu5b;e,a3d2z x lvae measured, and fe.a. cbfcd. 9oqc :y3the diagram shows th 3aqccd .cyo.ff.e 9:be 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 percentage uncertainties need to be addewx(l q4wgd60-pyo (gad. Uncertaing0a4 w(6d x -y(qoglwpty 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%.