[填空题]
The lengths of the sides of a rectangular plati6l wpt/a- 87xli5cbme are measu8z;uk47 wi8mn6v oc zxred, and the diagram shows the measuredw7;nk 4u8vox m6 zz8ci 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 needkpk+ff-0es.p to be added. Uncertainty in length is one part in 50, i.e. 2%; and in k0- p.e+fps fkthe height it is one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
