[填空题]
The lengths of the sides of a rectangular plate are measured, and xm2/tx.o 4xvy.r/97ay 7okpc lqj7yd 5t5:dna; fxthmp um37 the diagram shows the measured values with their uncerta tu5; dtnmh3a57x:pfm inties. 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 perc7)r tj*a4f(hr 3dt5 lolx6kmk entage uncertainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is5)k t4ld6kjf t*3alor (mh x7r one part in 25 or 4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
