Carefully analyze the motion of the body in these cases: I. a car moving at 80 km/h on a straight highway. II. a bus moving at 35 km/h around the curve. III. a typhoon moving at 120 km/h northwest and changing its path to 180 km/h southwest. IV. a jeepney moving on a straight road, slowing down to a stop. Which bodies exhibits acceleration? *   a. I and IV   b. I, III and IV   c. I, II and III   d. II, III and IV

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