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A car decreases its speed from 80km/h to 20km/h in 6sec .what will be it's retardation |
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Answer» Answer: Explanation: retardation = -ACCELERATION = -(final velocity - INITIAL velocity)/TIME = -(5.5 - 22.2)/6 [km/hr CONVERTED to m/s] =-(-16.7)/6 = -(-2.78) = 2.78 m/s^2
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