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1. ### F.2 to F.3 Math Questions!!!

... 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. ### F.2 I.S Questions!!!

...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. ### Question about Mass spectrometer

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

4. ### MATHS QUESTION

(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. ### physics questions 2---- VERY URGENT

...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. ### 1 question of f.2

...about relative error. ii) The percentage error of James&#39; 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. ### accounting question

...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. ### A urgent question (A. Maths)

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. ### F.2 Maths question

...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. ### chemistry question

... 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