[填空题]
The lengths of the side/xk l4ex5 sr:5wo)d5 ptw s7jfs of j+x dc.rmmh9l36w 7 rv42sq doa rectangular plate are measured, and the diagram shows the measured values with their uncertaintiesvwl.sr7xrmmd j 964dchq2o +3. 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 need to by+p3.uzpnm r c54 ,fjde added. Uncertainty in length is one part in 50, i.4+nu fmj,p3c.z r5dyp 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
