[填空题]
The lengths of the sides of a reg 0v+50tpxx.2y vgpv nw3m:l dctan q3 ,ri+axspjuc p 28.e5j-netgular plate are measured, and the diagram shows the measured values with their unc2ca 3 -jx5. nt,jppserueqi8+ertainties. 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 surzz4 mv /i3h0o the percentage uncertainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; arm 4uz hvz3i0/nd in the height it is one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
