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  1. 排列方式

  1. 1. Apply the equation: s = ut + (1/2)at^2 to the vertical motion from R to S with s = -10m, u = 0 m/s, a = -g(=-9.81 m/s^2), t =? hence, -10 = ...

  2. 1.(a) Magnetic force on a single wire = B.l.J Hence, magentic force on N wires = NBlJ (b) Torque = (NBlJ).l = NBl^2J (c) Torque produced by the object at ...

  3. 1. Cold air has a high density and hence sinks to the floor. Hot air rises and is cooled down by the air-conditioner. Thus a convection current is set up. ...

  4. 11(a)(i) AB = 2√α, AC = 9 - αArea of ABC = AB * AC/2 = 2√α(9 - α)/2 = √α(9 - α)(ii) Let f(α) = √α(9 - α)f'(α) = (9/2)α^(-1/2) - (3/2)α^(1/2)Set ...

    分類:科學及數學 > 數學 2013年02月10日

  5. 1)For the profit $y = - 16(t - 25)² + 10000 > 0 , (t - 25)² < 625 - 25 < t - 25 < 25 0 < t < 50The max total profit can be made by ...

    分類:科學及數學 > 數學 2013年02月07日

  6. 1. Since the voltage rating of each bulb is 3 volt, and is connected to 1 6 volt supply, we need to have two bulbs connected in series (to form a branch) ...

  7. 1. 答案是: B. 17 第七項 = 首七項和 - 首六項和 = (7/2)(3x7 - 5) - (6/2)(3x6 - 5) = 56 - 39 = 17 ===== 2. 所有偶數都能被 2 整除。 一枚骰子有 1/2 概率擲出 ...

    分類:科學及數學 > 數學 2012年12月04日

  8. 經濟科高考宏觀模擬試題已供下載 http://hk.myblog.yahoo.com/leoleekh

  9. 我有,係觀塘about $280 要既send me a email

    分類:健康 > 其他 - 健康 2009年10月01日

  10. u can find in google.com, it have many information about mock exam!!!

    分類:社會及文化 > 語言 2007年12月21日