Which of the following v-t graphs does not show acceleration?

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Detailed Solution

Concept: The slope of the velocity-time graph represents the object's acceleration in motion. A straight line slope indicates uniform acceleration; a curved slope indicates non-uniform acceleration; and when the graph is parallel to the x-axis, indicating no change in velocity with time, the body does not have any acceleration.

The slope of the velocity-time graph represents the object's acceleration in motion. A straight line slope indicates uniform acceleration, whereas a curved slope indicates variation in acceleration during motion, i.e. non-uniform acceleration. For a straight line slope, a positive slope indicates acceleration, while a negative slope indicates retardation. When the graph is parallel to the x-axis, which means there is no change in velocity with time, the body has no acceleration

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