physics
posted by thaokieu .
Which one of the following situations is not possible?
A body travels with a constant acceleration and a timevarying velocity.
A body travels with a northward velocity and a northward acceleration.
A body travels with a northward velocity and a southward acceleration.
A body has zero velocity and nonzero acceleration.
A body travels with a constant velocity and a timevarying acceleration.

Impossible for a body to travel with a constant velocity and a timevarying acceleration.
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