[填空题]
The lengths of the sides of a recta ixvxn32m:,hm ngular plate are measured,*h et 2yo8q4wv u iur bte0bn-9*37kzc and the diagram shows the measured values withtz 9e 38w4*bb-yue7 qnu0th2kv o *cir 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 multin0efv/r :6vuy plication so the percentage uncertainties need to be added. Uncertainty in length is one part in 50, i.e. 2%; and in the height it is one part in 25 or nvv/ :u ye06fr4%. Adding the uncertainties gives 6%.
Post time 2024-8-21 21:38:19
