[填空题]
The lengths of the sides of a rectangul x8y1gl/1yfvla hmnim 96ip4z.6yzis3 r plate are measured, and the diagram shows the measured valu hni3m 9.miisp6zyz46es 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 multiplicatib jg cm4+ j.q,j)igp-bon so the percentage uncertainties need to be added. Uncerta-q,gj jbic)m+.4 pb gjinty 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 gives 6%.
Post time 2024-8-21 21:38:19
