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  1. ...time . 3. First statment is false. The acceleration at any time and position is equal to the acceleration due to gravity, which is not zero.Second...

  2. 如果你係想寫由幾時至幾時 , 你就要打8號 , 但如果想寫生效日期為幾時 , 就要打9號 . 9 April 2008 遞信 .

  3. You can be a good SF if you: can increase your percentage of lay up, ft to 90% grow a bit taller (183cm) & weight 175p (it's not easy to add 55p) Your other skills are good enough as a forward, if you stay with your weight & height as you are now...

    分類:體育 > 籃球 2006年12月29日

  4. 是要翻嗎?? 如果翻中文的話是應該是這樣! 一天, 然而, 科學家的當中一個決定減少"海豚談話的" 錄聲磁帶的速度。對於他的意外, 他發現, 口哨和點擊, 以慢速, 聽起來更多像人的聲音。 我想知道何處副詞的正確的位置應該它投入了? 作為樣品上面: 我發現了副詞&quot...

    分類:社會及文化 > 語言 2008年05月27日

  5. You have some information missing. How much does its velocity decrease? As far as I remember this question, the velocity should decrease from 30 m/s to 20 m/s in 100 m. So, I will use this to do the question. Initial velocity, u = 30 m/s Final...

  6. Use indexOf(String str, int fromIndex) method of the String class. It returns the index of the first occurrence of the substring within the searched string, starting from the specified index. i = myString...

  7. 你不可以這樣計,因為你無法得知個Ball是在何時何地開始Fall freely from rest,也無法得知個Ball在Point A的速度 但你在Sub數時,已假設個Ball是在Point A fall freely from rest,也就是事先假設個Ball在...

  8. Answer : E 任何物件於地球表面,都受到gravitational force (g) ge 影響。Gravitation force會向住地心 (earth core) 拉住件物件。 而你亦都應該學左 Gravitation force = mg 所有物件都有一個Gravitation force (mg) 向下拉 如果該物件係置於地面上...

  9. Let d be the distance between A and B hence time t1 to travel from A to B = distance/speed = d/1 = d time t2 to travel from B to A = d/2 Total distance travelled in the whole journey = 2d total time taken = t1 + t2 = d + d/2 = 3d/2 Therefore, average...

  10. s=ut+(1/2)at2 if t=1, s=0+(1/2)(10)(1)2 s=5 m if t=2, s=0+(1/2)(10)(2)2 s=20 m if t=3, s=0+(1/2)(10)(3)2 s=45 m 45 m係指該物件由t=0到t=3期間所行走的distance/displacement 0 s to 1 s is the first second 1.01 s to 2 s is the second second(第二秒) 2.01 s to 3 s is...