[填空题]
The lengths of the side8oj iay7p1.n*whl:gs s t8ldc0ha6 :8g 6qj pvnof a rectangular plate are measured, and the diagram shows the measured values with their uncertaintie gld vjh:8n06c6 atp8qs. 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 multiplicati)1dv(; ln kbgdip.n7bon so 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 or 4%. Adding the d)bplk g(7d .n;vni1buncertainties gives 6%.