3.3 Acceleration
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9 Terms
What is the definition of acceleration?
The rate of change of velocity.
How do you find acceleration from velocity time graph?
Acceleration = change in velocity/ change in time
a = change in v / change in t
What is the unit for acceleration?
ms^-2
Is acceleration vector or scalar?
Vector as it has magnitude and direction.
What is negative acceleration called?
Deceleration
What does a velocity time graph with a straight line of constant, positive gradient show?
Constant acceleration
What does a velocity time graph with a straight line of zero gradient show?
Constant velocity or zero acceleration
What does a velocity time graph with a straight line if constant negative gradient show?
Constant deceleration
What does a velocity time graph eith a curve with changing gradient show?
Acceleration is changing
Note 
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