[填空题]
The lengths of the sides of a rectangular plate are de)np0j/qr pyn.21af e*(g:kg,c hp f measured; n-h: 79b/xt (oe hfrwz k)opm5m7rvt, and the diagram shows the measured values wio:h9me75 r w-o f rtkx(tzm/bv7h)np ;th 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 uncerdky3f bd69 bp4tainties need to be added. Uncertainty in length is one part in 50, 9y 3fdbk4bpd6 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
