Equations to study for AP Exams

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Average Velocity=

distance/time

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Acceleration

Change in Velocity/Time

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Final Velocity=

Initial Velocity + (acceleration)(time)

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distance=

(initial velocity)(time) + (1/2)(acceleration)(time)²

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Final Velocity²=

Initial Velocity² + (2)(Acceleration)(Distance)

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Acceleration=

(Net Force) / (Mass)

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Force Of Friction=

(µ)(Normal Force)

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Force of Gravity=

(G)(mass1)(mass2) / (radius)²

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Acceleration Due To Gravity =

(Force Of Gravity) / (Mass)

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Momentum =

(Mass)(Velocity)

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Momentum Before =

Momentum After

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Impulse =

(Net Force)(Time) or (Change in Momentum) or (Mass)(Change in Velocity)

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Force on A Spring =

(Spring Constant)(Change in Spring Length From the Equilibrium Position)

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Potential Energy Stored By A Spring =

(1/2)(Spring Constant)(Change in Spring Length From the Equilibrium Postion)²

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Centripetal Force =

(Mass)(Centripetal Acceleration) or (Mass)(Velocity)² / (Radius)

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Centripetal Acceleration =

(Velocity)² / (Radius)

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Change in Potential Energy =

(Mass)(Acceleration due to Gravity)(Change in Height)

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Kinetic Energy =

(1/2)(Mass)(Velocity)²

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Work =

(Force)(Distance) or (Change in Total Energy)

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Total Energy =

(Potential Energy) + (Kinetic Energy) + (Internal Energy)

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Power =

(Work) / (Time) or (Force)(Distance) / (Time) or (Force)(Average Velocity)