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1. Can anyone help me ?

Absolute error of the thickness of 500 pieces      = 48mm × 1/240 = 0.2mm The thickness of each piece      = (48±0,2mm) ÷ 500      = 0.096±0.0004mm ∴ The possible range of x is  0.0956～0.0964 (mm).

分類：科學及數學 > 數學 2020年09月12日

2. variations?

(a) Suppose C(r) = a + br^3 C(2) = a + b*2^3 = a + 8b = 124 ..... (1) C(3) = a + b*3^3 = a + 27b = 181 ..... (2) (2) - (1) , we have 19b = 57 , so b = 3 , substitute into (1) a = 124 - 8b = 124 - 8*3 = 100 , hence : C(r) = 100 + 3*r^3 C(5) = 100 + 3*5^3 = 475 (b) By (a) , outer radius = 5...

分類：科學及數學 > 數學 2016年06月15日

3. Rate and Ratio?

" value of a coin \$V varies jointly as its thickness t mm and the square of its diameter d mm " That is , v...

分類：科學及數學 > 數學 2016年06月15日

4. Explain how the structure of villi allows efficient absorption of the soluble products of protein digestion. Please help!!!?

... of microvilli, its height, They are quite consistent thickness , a distance like a brush in general. Microvilli Although small, only...

分類：科學及數學 > 生物學 2016年06月29日

5. A question about double-slit experiment with cover.?

Q: Why is the path difference d=(n-1)* thickness ? A: In the equation: path difference = m入, the...air = n入 - (1).入 = (n-1)入 Q: l/v = x/c x=n* thickness . i dont understand why is the time set to be the same...

分類：科學及數學 > 物理學 2016年10月03日

6. angular momentum?

...1.8 rps Note1: I(Cylider) = ? q = density t = thickness Q = Angle M = qπt*R^2 Ic = ∫r^2*...

7. 醫療報告 翻譯

影像表現： 半月板 沒有半月板撕裂。沒有外圍半月板擠出或parameniscal囊腫。 韌帶和肌腱 有一個高檔次，PLC的中期物質（film2）可能完全撕裂。 PLC本身出現增厚，並演示了增加液體的信號表明有扭傷/無黏液變性（膜4）。 在PLC完好無損，沒有證據扭傷或...

分類：健康 > 其他 - 健康 2015年03月17日

8. Refraction & Reflection

...6+ 1/2).(589) d = 1,276 nm (iii) From equation 2nt = m入 since n and t ( thickness of wedge) are fixed, a shorter wavelength 入 leads to...

9. u value

... resistance of polystyrene board = d/0.033 where d is the required thickness Hence, 1/0.6 = 1.099 + d/0.033 i.e. d = 0.0187 m = 18.7 mm

10. 流體力學問題, 求解答 (20分)

...the kinematic viscosity of water at 20 °C = 10^-6 m^2/s Boundary thickness at the trailing end = 5 x square-root[1.5 x 10^-6/0.15] m = 0.0158 m = 1...