Kinematics
Practice Flashcards
How do you get velocity from displacement?
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All Flashcards in Topic 5.9
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5.9.19 cards
How do you get velocity from displacement?
Differentiate: v = ds/dt.
How do you get acceleration from velocity?
Differentiate: a = dv/dt (= d²s/dt²).
How do you get velocity from acceleration?
Integrate: v = ∫a dt (+ C from an initial condition).
How do you get displacement from velocity?
Integrate: s = ∫v dt (+ C).
When is a particle at rest?
When v = 0.
When is the velocity a maximum or minimum?
When a = 0 (the derivative of velocity is zero).
How do you find displacement over an interval?
Displacement = ∫ₐᵇ v dt (the signed integral).
How do you find the total distance travelled?
∫ₐᵇ |v| dt — split at the times where v = 0 and add the magnitudes.
When does a particle change direction?
When v changes sign (passes through 0).
Topic 5.9 study notes
Full notes & explanations for Kinematics
Math AA SL exam skills
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