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3. Shown below is the acceleration function for a particle over the approximately first two seconds
of its motion. Draw an approximate graph of velocity as a function of time assuming v, = 0 m/s.
alt)
t
20
15
10
5.
0.5
1.0
1.5
2.0
2.5
4. Let vector A point from the origin into the first quadrant of the xy plane and vector B point from
the origin into the third quadrant. The vector Ă – B must be in which quadrant?

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