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The displacement (in metres) an object travels over time is given by s (t) = cos ( t), where t is the time measured in

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The displacement (in metres) an object travels over time is given by s (t) = cos ( t), where t is the time measured in seconds. (the object is moving on a linear trajectory) Find the acceleration of the object when t = 2.3 s: Number m/s2 Round your answer to 3 significant digits. Back Quit & Save

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