Motion Vectors. Displacement Vector. The position vector is often designated by . A change in position is a displacement. The displacement vector is a change in the position vector. y. x. Position and displacement are vectors. Time has a value but no direction – it’s a scalar.
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The displacement vector divided by time gives the average velocity vector.
A person walks from 2.0 km north of the gym to 3.0 km west of the gym in 1.5 h. What is the magnitude of average velocity?
The magnitude of displacement is
The average velocity is the magnitude of displacement divided by the time.Velocity Vector