An object has a position given by r = [2.0 m + (5.00 m/s)t]î + [3.0 m - (2.00 m/s^2)t^2]ĵ, where

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So guys in this problem we have the position of the particle as a function of time is given by m

An object has a position given by \overrightarrow{r} = [2.0 m + (5.00 m/s)t]\hat{i} + [3.0 m - (2.00 m/s^2)t^2]\hat{j}, where quantities are in SI units. What is the speed of the object at time t = 2.00 s?