A 2.90-kg object is moving in a plane, with its x and y coordinates given by x = 2t - 4 and y = 4t + 3, where x and y are in meters and t is in seconds. Find the magnitude of the net force acting or this object at t = 2.25 s. 139.68 If you know the position of an object as a function of time, you can calculate the acceleration as a function of time using calculus methods. N
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