i- The position of a particle of mass m = 4 kg that starts to move...

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i- The position of a particle of mass m = 4 kg that starts to move along the x axis from the origin at t = 0, is given by a = t2i+2t where is in meters and t is in seconds. a- Find the angular momentum at t = 2 s. (5 pts) i- The position of a particle of mass m = 4 kg that starts to move along the x axis from the origin at t = 0, is given by a = t2i+2t where is in meters and t is in seconds. a- Find the angular momentum at t = 2 s. (5 pts)