An object approaches a convergent lens from the left with a uniform speed of $5\, \text{m/s}$ and stops at the focus. What does the image do?

Question

Moves towards the lens with a non-uniform acceleration.

Moves away from the lens with a uniform speed of $5\, \text{m/s}$.

Moves away from the lens with uniform acceleration.

Moves away from the lens with a non-uniform acceleration.

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