Consider a particle moving in one dimension. If its position-time graph shows a curve that starts with a horizontal tangent at t = 0 and is initially concave downwards, which of the following statements is true regarding its motion?

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Physics · Kinematics

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

The particle was released from rest at t = 0.

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Answer 1

The average velocity between any two points is always negative if the initial velocity is zero.

Answer 2

At an inflection point of the graph, both velocity and acceleration must be zero.

Answer 3

At any point where the curve is concave downwards, the acceleration is positive.

Answer 4

The particle was released from rest at t = 0.

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