Yes. Velocity is a vector.

Double-A

O.K., so not e.g. 500 mtrs/sec but e.g. 500 mtrs/sec at 265 degrees.

What about in three dimensions??

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My original posting did not specify a direction but merely refered to total distance traveled.

For simplicity, it assumed we were talking about a direct trip between points in deep space.

In that simplified context it was not necessary to specify direction.