Velocity Time Graphs - Key Terms
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10 Terms
acceleration
the change in speed or velocity of an object over a certain time
deceleration
the slowing down in speed or velocity of an object over a certain time
what does a gradient of a line in a velocity time graph mean?
that the person/vehicle is gradually increasing it’s speed - therefore accelerating
what does a gradient of a line in a distance time graph mean?
the the person/vehicle is moving at a constant speed
what does a straight line indicate on a velocity time graph?
that the person/vehicle is moving at a constant speed
what does a straight line indicate on a distance time graph?
that the person/vehicle is stationary - no longer moving
what does a gradient on a line going downwards on a velocity time graph mean?
that the person/vehicle is decelerating - gradually decreasing their speed
what does a gradient on a line going downwards on a distance time graph mean?
that the person/vehicle is at a constant speed going back to their original position
what is the equation for acceleration?
final velocity - initial velocity / time taken
how do you find the change in velocity?
final velocity - initial velocity
Note 
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