Position and Average Velocity (VCE SSCE Mathematical Methods): Flashcards
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What position tells us
What position tells us
Location of particle relative to reference point
Sign convention for positions left/right of
Sign convention for positions left/right of
Right = positive, Left = negative
What position-time graph displays
What position-time graph displays
Time () on horizontal, position () on vertical axis
Definition of average velocity
Definition of average velocity
Average rate of change in position with respect to time
Formula for average velocity
Formula for average velocity
rac{ ext{change in position}}{ ext{change in time}}
What negative average velocity indicates
What negative average velocity indicates
Particle moving in negative direction (to the left)
Gradient of position-time graph gives
Gradient of position-time graph gives
Velocity at that point
Definition of instantaneous velocity
Definition of instantaneous velocity
Instantaneous rate of change in position with respect to time
What positive velocity means
What positive velocity means
Particle moves in positive direction
What zero velocity means
What zero velocity means
Particle is instantaneously at rest