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Problem: In a typical greyhound race, a dog accelerates to a speed of 20 m/s over a distance of 30 m. It then maintains this speed.
Part A: What would be a greyhound's time in the 100 m dash? Assume constant acceleration for the first period.
Please provide clear step by step solution with notes on concepts and equations being used. Express your answer to two significant figures and include the appropriate units.
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