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  1. Suppose that the masses of the pieces are 2m and 3m, then: Velocity of 2m piece = 3v and velocity of 3m piece ...

  2. ...at a further distance away. You could visit the following web-page for details : http://www.thenakedscientists.com/HTML/content/kitchenscience/exp/drop...

  3. ...the elephant, which equals the total weight of the stone pieces , could be found. This is the story... refer to the following webpages for detail : http://www.wss.edu.hk/article.php?article=13 http...

  4. 有個男仔站在距離一座山300m的地方,佢利用2支木棒敲打 每當佢聽到回音時,佢就會敲打多一次 佢用左53s 黎敲打 第1次 至 到第31次! 請問聲音的速度是多少???? 敲打次數(唔計第一次)=30次 平均每次既time taken=53/30=1.77s 來回既distance traveled = 300x2=600m by v=s/t , v...

  5. When a piece of dielectric is inserted in between the two plates...equal and opposite charges on the earthed plate disregard a piece of dielectric is inserted in between as field lines...

  6. ...4m)(5 - x) 2009-02-26 22:56:01 補充: So 3x = 4(5 - x) For more details in turning force, pls. visit: http://en.wikipedia.org/wiki/Torque

  7. ...the ice pieces is minimal. The ice pieces are thus not easily visible when viewed by... may refer to the following web-page for detailed explanation of the experiment: http://www.exploratorium.edu/...

  8. Without goinf into details of the complex mathematical formulation for a forced oscillation, it is ...

  9. ... as the release. Then, in a dark room, attach a piece of film or photographic paper onto the opposite side and the camera...may refer to the following two web-pages for details on pinhole cameras: http://science.howstuffworks...

  10. ... and to publish his work with details concerning procedure, apparatus and observations...phosphorous; a tinder substance to pick up and burn the flame, usually a piece of wood or cardboard; and a handle, often the same as the tinder...