An object of mass 1.45 kg is subject to a force that is always directed towards the North but whose magnitude changes quadratically with time. The magnitude of the force is given as \(F = (7 \text{N/s}^2)t^2\). Let the y???axis point towards the North.

(8%) Problem 12: An object of mass 1.45 kg is subject to a force that is always directed towards the North but whose magnitude changes quadratically with time. The ma nitude of the force is iven as \\ F = 7 \\teXt N/s "2 t"2\\ . Let the axis oint towards the North. [A 50% Part (2) Determine the change in the velocity, in meters per second, of the object between an initial time to = 0 seconds and an elapsed time t = 2.2 seconds. Grade Summary AV = I m/ S Deductions Potential 100% Submissions Attempts remaining: ( per attempt) _ dmed view Degrees O Radians Hints: deduction per hint. Hints remaining: _ Feedback: deduction per feedback. [A 50% Part (b) Determine the change in ycoordinate, in meters, of the object between initial time to = 0 seconds and an elapsed time t = 2.2 seconds, if the initial velocity is 20.8 m/s and directed North, in the same direction as the force