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Unformatted text preview: denominator cancels out with the seconds (s) associated with the "3". Final answer is 29.4 m/s (units are units of speed). A force problem: What is the acceleration of a 20 kg ball that has a force of 2.5 Newtons. Force = mass x acceleration, so acceleration = Force/mass 2.5 N 20 kg changing the unit Newton to kg*m/s 2 , see page 47. 2.5 kg * m 1 s 2 20 kg 2.5 / 20 = 0.125, kg cancel out leaving m/s 2 which are units for acceleration. Final answer is 0.125 m/s 2 ....
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 Spring '11
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 pH, Work

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