...m A2 ...t from 4 to 8 sec acceleration a2 = (30-30)/4 = 0 space SA2 =

**V***(8-4) = 30*4 = 120 m A3 ...t from 8 to 12 sec acceleration a3 = (0-30)/4...2 Answers · Science & Mathematics · 14/06/2020

...m A2 ...t from 4 to 8 sec acceleration a2 = (30-30)/4 = 0 space SA2 =

**V***(8-4) = 30*4 = 120 m A3 ...t from 8 to 12 sec acceleration a3 = (0-30)/4...1 Answers · Science & Mathematics · 14/06/2020

**v**(t) = 5t When t = 2, we ha**v**e:**v**(2) = 10 ms⁻¹ A sketch is below. :)>2 Answers · Science & Mathematics · 13/09/2020

...momentum of the racquet ball? This one is clear Δp = mΔ

**v**= 0.225(-10.5 - 15.5) = 5.85 kg•m/s 5) What is the time the ball...3 Answers · Science & Mathematics · 19/08/2020

Ohm's law:

**V**= IR Then, R =**V**/I Resistance, R = 120/5.0 = 24 Ω5 Answers · Science & Mathematics · 17/02/2020

... = 17.3*4.5 /(17.3+4,5) = 3.57 μF Q = C123*

**V**= 12.5*3.57 = 44.64 μC**V**3 = Q/C3 = 44.64/3.57 = 9...3 Answers · Science & Mathematics · 26/09/2019

Δ

**V**= 17 - 6 = 11volts ΔE = qΔ**V**= 1.6*10^-19 * 11 = 1.8*10^-18J (rounded to 2 sig. figs.) Don't forget units (or lose a mark)!2 Answers · Science & Mathematics · 08/02/2020

The field can be expressed in

**V**/m (or N/C), so one might reasonably guess that field = potential / distance here E = 1.50V / 8.22*10^-4m = 1.82*10*3**V**/m (or N/C) 1820 N/C1 Answers · Science & Mathematics · 17/01/2020

**V**= E/Q rearranged gives E = QV E = 6*24 = 144J1 Answers · Science & Mathematics · 23/08/2020

...momentum is the same before, during, AND after the collision -- p = (4m - m)*

**v**= 3m**v**← #1 Q2/ For an elastic head-on collision, the relati**v**e**v**elocity of...1 Answers · Science & Mathematics · 17/06/2020

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