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A runner achieves a velocity of 11.1m/s nine seconds after he begins running. What is his acceleration?
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A runner achieves a velocity of 11.1m/s nine seconds after he begins running. What is his acceleration?

User Mariotomo
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Using this kinematics formula: Vf=vi+at, we get: 11.1=0+a*9, solving for a we get 1.233 m/s^2. That's his acceleration.
User Artun
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