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  1. ... to be sleepy. 2011-09-03 09:02:04 補充: Absolute error is |measured value - true value|. In question 3, we only have 2.50 km. measured value or true ...

    分類:教育及參考書 > 教學 2011年08月30日

  2. ...the (b) intensity. It means how strong a sound is and is measured in (c) Decibel (dB) . The pitch of a sound means how high...

    分類:科學及數學 > 化學 2010年12月03日

  3. Mass spectrometer is an apparatus used in exercise physiology to measure the composition of respired gases. In the fixed collector...

  4. (a) The percentage error of watch A in measuring time =[error in a day (in seconds) / total time in a day (in seconds)] x100... ...

  5. ...energy of the random motion and the potential energy of all its molecules.(Measured in J) The temperature of a object-- is a quantity which measures ...

  6. ...about relative error. ii) The percentage error of James' watch in measuring time = [0.5/(60x60x24)] x 100% = 0.000578...% = 0.0006% (1 ...

    分類:科學及數學 > 數學 2007年12月02日

  7. ...asset)就唔駛入數啦...因為佢只係一個估出黎o既數,同埋human asset can not be measured in monetary term, 你唔會去話件human assset值幾錢gama... To ...

  8. 2sinx - 4cosx = sqrt(5) let r siny = 4, r cosy = 2 r^2 sin^2 y + r^2 cos^2 y = 16 + 4 = 20 r^2 (sin^2 y + cos^2 y) = 20 r^2 = 20 r = sqrt(20) (r ...

    分類:科學及數學 > 數學 2008年03月12日

  9. ...2007-05-27 22:42:25 補充: 1.180°= π rad.∴θ = 2π÷π = 2∴如果:θ is measured in degree, θ = 360°÷πθ is measured in radian, θ = 2

    分類:科學及數學 > 數學 2007年05月27日

  10. ... is the major error. 2. There are errors in reading temperature. 3. Measuring cylinders are used to measure the volumes of ...

    分類:科學及數學 > 化學 2006年12月09日