【海狗】的日記


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10/25/2005

yeah,有得食朱古力!

今日都係同海豚返呀,今次卒之係我到先喇~~
見到卓琳&華仔2個一齊返,卓琳可能認我唔到lu~~
(又可能掛住同華仔行,睇我唔到la)
返到去又係坐,睇報紙咁,無咩特別野...
第1堂係中化,2個人講短講,李順勤6分,講計數機&算盤,
李奕敏就3分,講晾衫竹&衣架,都仲係無人夠我低分...
第2、3堂入hall,睇人做畫劇,正,唔使上堂,加上都ok好睇,
小息又食三文治,聽徐蕙薇的意見... 陪唔到海豚...
3堂physics,講圓形運動果d,原來一d都唔難!
我上堂先做都識啦! lunch去酒樓買飯返學校食~~
食完就坐,我都開始眼訓lu... 唔想多講野...
oral,睇article,寫低d notes,講晒俾隔離聽...
好快就hea左去... 之後2堂英文,唔quiz住喎! 正!
講vocabulary果d,我麻麻地架啦...
又topic sentence... 好煩呀,唔想聽喇!
放學執好個櫃筒,之後做小組討論,又3分...
唉呀,都唔知點,係都要我爭野講喎... 盡量啦,下次先啦~~
去hall幫手喎,hea一陣就去買野食啦,文華無薯條喎,
去左百佳買久違了的朱古力食,超正,好開心呀!
跟住就同海豚走人,佢都食左d,不過佢唔舒服,食左少少咋...
夜晚食完飯,佢打黎問maths,講判別式講左成個鐘,
好彩佢都明晒... 唔係都唔知點好...

9 Comments:

  • 你咁講...即係physics好勁la而家T_T
    比條你計丫...唔係好識
    a stone of mass 500g is attached to a string of length 50cm which will break if the tension in it exceeds 20N. The stone is whirled in a vertical circle, the axis of rotation being at a height of 100cm above the ground. The angular speed is very slowly increased until the string brekas.
    (a) in what position in this break most likely to occur, and at what angular speed does this occur?
    (b) where will be the stone hit the ground?

    By Anonymous 匿名, at 11:42 下午  

  • a) T=mv^2/r

     係頂個速率最高,個T就最大,
     所以應該係頂度break

       20=0.5v^2/0.5
       v=開方20

    b) u=0,a=10,s=1,t=?
      s=ut+0.5at^2
      1=0.5(10)t^2
      t=1/開方5

       v=distance/t
       開方20=d/(1/開方5)
      distance=2

      離開個center既
      horizontal
      distance 2m

    By Blogger 【海狗】, at 12:24 上午  

  • 恭喜你,錯曬

    By Anonymous 匿名, at 11:09 下午  

  • 當真?

    By Blogger 【海狗】, at 12:55 上午  

  • 哦~
    原來係angular speed
    我以為係speed咋...

    By Blogger 【海狗】, at 12:56 上午  

  • 審題不清...足以致命
    請再計過then

    By Anonymous 匿名, at 8:50 下午  

  • 唔呀,懶喇,明就得喇~
    計算就無錯啦~ 只係計錯野姐...
    亦都証明我識啦~

    By Blogger 【海狗】, at 12:26 上午  

  • nono...你都係錯...就算係angular...
    最快點都係最底果到...
    tension最大點都係最底果點...
    即係起點...
    所以concept黎講...
    你都係錯左...
    呢d野諗清先好答...
    CM...唔係真係咁易...

    By Anonymous 匿名, at 12:39 上午  

  • 咦,係喎,記錯左喎..

    By Blogger 【海狗】, at 8:08 下午  

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