. Which of the following distance-time graphs shows a truck moving with speed which is not constant


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Best Answer

Ans. The correct answer is: option (iii).

In option (iii), the distance time graph is not a straight line, instead it is a curve. The distance time graph for an object moving with a constant speed is straight line. This means that the speed is not constant is changing. So, the distance-time graph of option (iii) shows a truck moving with speed which is not constant.

 

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