[填空题]
The lengths of the sides of a rectangular plate are mn 55vv n(x1e61 mdm-,sokzwh teasured, and the diagraic5 ,42cgkba.ki2mq wm shows the measured values with their uncertk. c,bckm45iiq agw 22ainties. 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 multi ac0kt. cl,ykynq0x3w d6+:51tvq oczplication 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 4%. Adding the uncertainties giakltdv61kntx+q 0y wc 5ycz co,.30q:ves 6%.
Post time 2024-8-21 21:38:19
