[填空题]
The lengths of the sides ofwg t1nc2r;j (x a rectangular plate are measured, and the diagra3uq; b:iqakg nt.f9 k(m shows the measured values with their 3i :;nqtka q(f u9k.gbuncertainties. 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 uncf1j g)4z. /fkfwm dgfpg0;)asertainties 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 or 4%. Adding the uncertainties gig 4 mf f1 dfkgp;zf)sjw.)ag0/ves 6%.
Post time 2024-8-21 21:38:19
