victorique 28-1-2012 09:36
有幾條問題~~~
我有幾條問題不太懂, 請幫幫忙[1_ (10)
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)
victorique 28-1-2012 21:56
沒有人答我呢(哭)
蛙 30-1-2012 21:15
[b][color=Red][size=5]13少過肥年歲晚收爐，等高手答你！！[/size][/color][/b]
輝仔餅 31-1-2012 21:02
[quote]原帖由 [i]蛙[/i] 於 30-1-2012 21:15 發表 [url=http://www.bunbunhk.com/BBS/Discuz/redirect.php?goto=findpost&pid=40906&ptid=17198][img]http://www.bunbunhk.com/BBS/Discuz/images/common/back.gif[/img][/url]
13少過肥年歲晚收爐，等高手答你！！ [/quote]
[b][color=Red]佢收爐啦?怪不得少見他了... ...[/color][/b]
豕者 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