#1  有幾條問題~~~ - victorique (高級會員) 發表於 28-1-2012 09:36

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)

#2  無標題 - victorique (高級會員) 發表於 28-1-2012 21:56

沒有人答我呢(哭)

#3  無標題 - 蛙 (Administrator) 發表於 30-1-2012 21:15

13少過肥年歲晚收爐，等高手答你！！

#4  無標題 - 輝仔餅 (Super Moderator) 發表於 31-1-2012 21:02

佢收爐啦?怪不得少見他了... ...

#5  無標題 - 豕者 (Moderator) 發表於 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

#6  無標題 - 流星 (會員) 發表於 8-3-2012 19:46

i don not know very 難