An object has a position given by = [2.0 m + (5.00 m/s)t]î + [3.0 m - (2.00 m/s²)t²]ĵ, where quantities are in SI units. What is the speed of the object at time t = 2.00 s? A) 6.40 m/s B) 9.43 m/s C) 7.00 m/s D) 7.65 m/s E) 13.0 m/s

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The Answer of An object has a position given by = [2.0 m + (5.00 m/s)t]î + [3.0 m - (2.00 m/s²)t²]ĵ, where quantities are in SI units. What is the speed of the object at time t = 2.00 s? A) 6.40 m/s B) 9.43 m/s C) 7.00 m/s D) 7.65 m/s E) 13.0 m/s

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