[填空题]
The lengths of the sides offkr q7zybg,ipz.hy,0 lp g0;l omd( 4;1kvajc9 s jdy41 ffzy0b0p(j85ssi:p a rectangular plate are measured, and the diagram shows thesakf118sj0yp :pij5vz b0s9 djfc4y ( measured 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 nz ub/-sl6gau- eed to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one part in 25 /-lsub6az -gu or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
