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  1. ...t ) + 0.5 at^2 s = vt - at^2 + 0.5at^2 s = vt - 0.5at^2 ( 2 ) From the above, 58 = ( 12 )( 3 ) - ( 0. 5 )( a )( 3^2 ) 4.5a = -22 a = -4.89 m / s^2 ( cor...

  2. ... a = 0.2. a) the velocity after an interval of 16 s from standstill Given u...u + at = 0 + 0.2*16 = 3.2 m/s b) the time required to attain a velocity...m/s and the distance travelled during that time. (i) Given u = 8.5...

  3. ...distribution b): _ x = 3.22 s = 1.35 degree of freedom = 20 – 1 = 19 95% confidence intervals _ _ x - t2.5%,19 * s < m < x...

    分類:科學及數學 > 數學 2009年06月25日

  4. ... change?, set the slider at the interval you want between pictures, or, if... a single slide a screen saver, move the slider to Less (three minutes... flicker on the screen during the transitions. Under...

  5. Q.1 The answer is B. Current I = 10 A Time t...any point in the circuit, Q = It = 10 x 60 = 600 C Q.2 The answer is B. Resistance R = 0.172 &Omega...

  6. 1. (a) The cost of the mixture = $(72x + 97y)/(x + y) (b) (72x + 97y)/(x + y) = 82 72x + 97y = 82...10) - 82 × (15 + 10) = $(120 - 82) × 25 = $950 ===== 2. (a) Time interval that Winnie rests = [(60 - 58) + 14] min = 16 min (b...

    分類:科學及數學 > 數學 2014年08月16日

  7. ...much further north than the current wall built during the Ming Dynasty, and little of it ...wall also has watch towers at regular intervals , which were used to store weapons...

    分類:社會及文化 > 語言 2007年03月18日

  8. ...on the piano, along with agility of the weaker fingers of the hand. The largest intervals reached by the right hand are fifteenths (two octaves...

    分類:音樂 > 古典樂 2007年12月12日

  9. ... interval is 2 m. To find the displacement, you need to use the average velocity during each time interval . Thus, the average velocity from t=1s to t=2s is (0+2)/2 m/s = 1 m/s. The displacement...

  10. ...sugar water. In consequence, the water potential difference become less and less. (b) The reason for no change during 2.5 to 3.0 hours is the whole system reaching equilibrium level...

    分類:科學及數學 > 生物學 2007年10月13日