[填空题]
The lengths of the sides of a rectang /yug7 z a,5bf9upt)kuular plate are meae9q7q1u(-cpem n/ t xlsured, and the diagram shows the measured valu 7t 91cxup(en-qqlm/ees 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 ;,wxie q n+rlz-m,dc3so the percentage uncertainties need to be added. Uncertainty in length is ow,c3 rl,z;d-mxiqe+ n ne 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
