Board logo

標題: 有幾條問題~~~ [打印本頁]

作者: victorique    時間: 28-1-2012 09:36     標題: 有幾條問題~~~

我有幾條問題不太懂, 請幫幫忙
1. The volume of a certaim metal plate at temperature , T℃ , is given by the following formula :
V=(2T/T+100)+10.2

a. Find the increase in volume when the temperature increases from 100℃ to 300℃
b. make T the subject of the formula

2.A spaceship can travel 180102 minute.

a. find the speed of the spaceship in kilometres per second and give your answer correct to 3 significant figures
b. using the result obtained in (a) to estimate the distance (km) that the spaceship can travel in one hour.
c. hence , find the absolute error of the estimation in (b)
作者: victorique    時間: 28-1-2012 21:56

沒有人答我呢(哭)
作者: 蛙    時間: 30-1-2012 21:15

13少過肥年歲晚收爐,等高手答你!!
作者: 輝仔餅    時間: 31-1-2012 21:02

引用:
原帖由 於 30-1-2012 21:15 發表
13少過肥年歲晚收爐,等高手答你!!
佢收爐啦?怪不得少見他了... ...
作者: 豕者    時間: 6-2-2012 19:32

請問你有無抄錯題目呀
因為呢兩題某部分內容都有點唔MAKE SENSE
作者: 流星    時間: 8-3-2012 19:46

i don not know very 難




歡迎光臨 笨笨網站超級論壇 (http://www.bunbunhk.com/BBS/Discuz/) Powered by Discuz! 6.0.0