[填空题]
The lengths of the sides of a .w 2b)i1 sya6b/lha qsrecn va v,,i b8r06e1ei+pqr bhe;tangular plate are measured, and the diagram shori ,e;hr 0,vi bvpb1e8anq6+ ews the 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 needjb.)wxid g 9:f 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 uncertainties gives 6f .dgbjxw: )i9%.
Post time 2024-8-21 21:38:19
