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If a car goes along a straight road heading east and speeds up from 45ft/s to 60ft/s in 5 s, calculate the acceleration

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jasondunstan18
You can solve this using the equation v=v[subscript i] + at, where v is the final velocity, v with the subscript the initial velocity, a as the acceleration, and t as the time. Therefore, 60=45+a(5). Solving this algebraically yields 3ft/s. 

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