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An experimental rocket car starting from rest reaches a speed of 560 km/h after a straight 450 m run on a level salt flat. Assuming that acceleration is constant, answer the following questios.
(a) What was the time of the run?
Your answer is incorrect. s

(b) What is the magnitude of the acceleration?

  • physics -

    change km/hr to m/s


    450km/hr*1hr/3600sec * 1000m/km=125m/d

    time=450m/125m/s= 3.6 seconds.

    a= 125/3.6 m/s^2

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