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Review AP Physics B AP Exam 10 Day Review

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Chapter 21-D Motion Average speed versus average velocity Acceleration = Δv/Δt v = v o +at v 2 = v o 2 + 2aΔx Δx = v o t + ½ at 2 V = (v + v o )/2

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Falling Objects Acceleration is always g g = 9.8 m/s 2 Use g = 10 m/s 2 for multiple choice Problems of falling objects, dropped objects initial velocity is zero, objects thrown into the air and return along the same path, etc.

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Graphs Position versus time Velocity versus time Acceleration versus time What are the slopes and areas under the curve equal to for each graph? Remember there are two things you should look at for all graphs: slope and area under the curve.

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Chapter 32-D Motion Vectors versus scalars Adding vectors and finding their direction Components and Resultants SOHCAHTOA Graphical method of adding vectors always head to tail

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Projectile Problems Keep horizontal and vertical information separate. Range formula Two types of projectile problems: fired horizontally and fired at an angle. Anything that opposes gravity is negative. Anything downward is positive.

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