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A car leaves an intersection after a light turns green. It starts from rest and reaches a speed of 13.4 m/s in 5.0 s. The radius of a tire of the car is 0.25 m.

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  1. and the question is?

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  2. What is the question?

    a = (13.4-0)/5 m/s^2 = r*alpha
    v = 0 + a t = r*omega
    d = 0 + 0t + (1/2)(5)t^2

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  3. what is the rotational acceleration?

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