[填空题]
The lengths of the sides ofa31yvwh.h fs( a rectangu , 6+vcex6pp n.ytz:e tful8,hlar plate are measured, and the diagram shows the mn6t,x ve+,.z uclh8 py6f :tepeasured 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 uncert+g4e dj3s6 qctainties 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 o se cq6gj4t3d+r 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
