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Checkpoint 1
pUitiol vector IS
n, as in Figs. 4-1 through 4-3, it is an arrow that extends
om one point (a "here") to another point (a "there").
However, when a velocity vector is drawn, as in Fig. 4-4, it
does not extend from one point to another. Rather, it shows
the instantaneous direction of travel of a particle at the tail,
and its length (representing the velocity magnitude) can be
drawn to any scale.
These are the x and y
components of the vecto
at this instant.
Path
Figare 4-4 The velocity v of a particle, along with
scalar components of v.
CHECKPOINT 1
The figure shows a circular path taken by a particle. If the instantaneous velocity of the particle
is (2 m/s)i-(2 m/s)j. through which quadrant is the particle moving at that instant if it is
traveling (a) clockwise and (b) counterclockwise around the circle? For both cases, draw v on
the figure.
SAMPLE PROBLEM 4.02
Two-dimensional velocity, rabbit run
Transcribed Image Text:pUitiol vector IS n, as in Figs. 4-1 through 4-3, it is an arrow that extends om one point (a "here") to another point (a "there"). However, when a velocity vector is drawn, as in Fig. 4-4, it does not extend from one point to another. Rather, it shows the instantaneous direction of travel of a particle at the tail, and its length (representing the velocity magnitude) can be drawn to any scale. These are the x and y components of the vecto at this instant. Path Figare 4-4 The velocity v of a particle, along with scalar components of v. CHECKPOINT 1 The figure shows a circular path taken by a particle. If the instantaneous velocity of the particle is (2 m/s)i-(2 m/s)j. through which quadrant is the particle moving at that instant if it is traveling (a) clockwise and (b) counterclockwise around the circle? For both cases, draw v on the figure. SAMPLE PROBLEM 4.02 Two-dimensional velocity, rabbit run
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