v t 1 For 0 St 11 seconds a particle moves along the x axis the velocity of the particle in meters per second can be modeled by

Question

v t 1 For 0 St 11 seconds a particle moves along the x axis the velocity of the particle in meters per second can be modeled by the graph above which consists of 4 line segments a Find v 3 and a 3 b At what time s t does the particle change direction Give a reason for your answer c Find the average acceleration of the particle from t 2 seconds to t 7 seconds Include units of measure d Att 9 is the particle speeding up or slowing down Give a reason for your answer v t 2 4t 5 It is known that x 9 2 Is the particle moving towards or away from the origin reasoning at times a

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