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  1. A) PE in m2 gets converted into KE for both masses: 3kg * 9.8m/s² * 0.97m = ½ * (3.70+3)kg...

    1 Answers · Science & Mathematics · 05/05/2020

  2. 3.11×10^9  (even if it were correct) loses you a mark for ‘missing unit’. (a) The centripetal and resultant force are the same thing in this situation, so we just need to find the centripetal force: F = mv²/r = 9.11*10^-31 * (2.29*10^6...

    2 Answers · Science & Mathematics · 06/05/2020

  3. ...so it must slow down at twice the rate -- a' = -31 m/s² (but you might not need the sign -- it might be understood). c. Well, it reaches velocity...

    1 Answers · Science & Mathematics · 11/05/2020

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