Sketch speed against time graph to represent the following two situations.
(a) An object starts from rest and moves with constant acceleration.
(b) An object moves at a steady speed. Then it slows down and stops.
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Initially the car moves under acceleration for 5 sec. So, the velocity-time graph has a slope in first 5 sec and then it moves at a constant speed. So, the curve will be a straight line parallel to time axis where the value of speed does not change.
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answer is given in pics above
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