Cracking the AP Physics B Exam (2012 Edition) by Princeton Review

By Princeton Review

This can be a mobi-pdf conversion, and as such there's loads of additional whitespace. i'd attempt to eliminate a few of it and reupload later. it's also possible to obtain the retail mobi version.

If you must are aware of it, it’s during this e-book! Cracking the AP Physics B examination, 2012 version, includes: 

   • A finished evaluate of vectors, fluid mechanics, optics, atomic and nuclear physics, and more
   • Step-by-step suggestions for cracking even the hardest problems
   • Detailed motives for the free-response portion of the exam
   • Updated strategies that mirror the AP attempt scoring change
   • 2 full-length perform assessments with specified causes

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Extra resources for Cracking the AP Physics B Exam (2012 Edition)

Example text

Either of the following two graphs represents something that is not moving. Either of the following two graphs represents an object moving at a constant velocity in the positive direction. Either of the following two graphs represents an object moving at a constant velocity in the negative direction. Either of the following two graphs represents an object speeding up in the positive direction. Either of the following two graphs represents an object slowing down in the positive direction. Either of the following two graphs represents an object slowing down in the negative direction.

Find its acceleration. Solution. Since the car is traveling at a constant velocity, its acceleration is zero. If there’s no change in velocity, then there’s no acceleration. 8 A car is traveling along a straight highway at a speed of 20 m/s. The driver steps on the gas pedal and, 3 seconds later, the car’s speed is 32 m/s. Find its average acceleration. Solution. Assuming that the direction of the velocity doesn’t change, it’s simply a matter of dividing the change in velocity, 32 m/s − 20 m/s = 12 m/s, by the time interval during which the change occurred: ā = ∆v/∆t = (12 m/s) / (3 s) = 4 m/s2.

Solution. Dividing the change in velocity, 20 m/s − 32 m/s = −12 m/s, by the time interval during which the change occurred, 2 s, give us ā = ∆v/∆t = (−12 m/s) / (2 s) = −6 m/s2. The negative sign here means that the direction of the acceleration is opposite the direction of the velocity, which describes slowing down. UNIFORMLY-ACCELERATED MOTION and THE BIG FIVE The simplest type of motion to analyze is motion in which the acceleration is constant (possibly equal to zero). Although true uniform acceleration is rarely achieved in the real world, many common motions are governed by approximately constant acceleration and, in these cases, the kinematics of uniformly accelerated motion provide a pretty good description of what’s happening.

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