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Answer :
Final answer:
The car took approximately 3.41 seconds to come to a stop.
Explanation:
The distance the car travels while braking is 6.4m. To find the time it took for the car to stop, we can use the equation v^2 = u^2 + 2as, where v is the final velocity (0 m/s) and u is the initial velocity (6.6 m/s). Rearranging the equation, we have t = (v - u) / a, where a is the acceleration. Since the car is coming to a stop and the acceleration is constant, we can use the formula a = -u^2 / (2s). Plugging in the values, we get t = -6.6^2 / (2 * -6.4), which gives us t ≈ 3.41 seconds.
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