Physics

Physics

Problem

An object moves with velocity +4 m/s for the first 2 s and –3 m/s for the next 4 s. Taking the positive x-direction as reference, what is the object’s displacement from t = 0 to t = 6 s? a) +20 m+20\text{ m} b) +4 m+4\text{ m} c) −4 m-4\text{ m} d) −20 m-20\text{ m}

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