[填空题]
The lengths of the sides of a rectangy by.wa81o-dp )mw+owular plate are measured, and the diagrak6fr/*9 k h: u1etxkmzm shows the measured values with their uncertaihrkkku/ t* : 6fxze9m1nties. 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 uncertaintient+j- ae d)6mws need to be added. Uncertainty in length is one part in 56mej-tad )n+w 0, 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
