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## Answers (2)

Sort of a poorly posed question.

You cannot go around a CIRCULAR curve with a constant acceleration VECTOR. The reason is that the radial component of the acceleration vector always points toward the center of the circle. Since this direction is changing constantly, the acceleration vector is changing constantly.

You CAN go around a circular curve with a constant acceleration MAGNITUDE. If you go at a constant speed v, the magnitude of the acceleration is constantly v²/r

If the curve is a parabola rather than a circle, then you can go around it with a constant acceleration vector. A good example of this is a baseball flying through the air; its acceleration vector is constantly 9.8m/s² downward.

No. To move in a circle, something must constantly be changing direction and you can not change direction without accelerating.