[2.0 m + (5.00 m/s)t] i + [3.0m- (3.00 m/s)t2] 3. An object has a position given by r where all quantities are in SI units. What is the magnitude of the acceleration of the object at time t = 2.00 s? 6.00 m/s2 7.20 m/s2 3.00 m/s2 0.00 m/s2 4.80 m/s2
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