The velocity vector of an object which is moving in a straight line without stopping always
(A) has the same length.
(B) points in the same direction.
(C) stays exactly the same.
(D) changes.
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The velocity vector of an object which is moving in a straight line without stopping always
(A) has the same length. --- No.
The object could be speeding up
and slowing down.
The length would then change.
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The velocity vector of an object which is moving in a straight line without stopping always
(B) points in the same direction.
Yes. It points along the straight line.
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The velocity vector of an object which is moving in a straight line without stopping always
(C) stays exactly the same. --- No.
The length can change if the object
speeds up or slows down.
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The velocity vector of an object which is moving in a straight line without stopping always
(D) changes. --- No.
It could stay the same
if the object moves at a constant rate.
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What this question is about