In this video, Salman Khan of Khan Academy introduces the basic concepts of motion. Part 2 of 3.
Khan Academy
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Moments of inertia for various bodies
http://en.wikipedia.org/wiki/List_of_moments_of_inertia
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This website provides not only an explanation of how the ballistic pendulum can be used to measure the speed of a bullet but also a calculator to check your work. It can be used to explain a similar assembly involving a spring instead of a pendulum as well. You simply substitute the equation for the potential energy of a spring for (M+m)gd -- the potential energy of the pendulum.
Hyperphysics
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Need to study for Physics? Here are some questions to help you out!!!
StudyStack
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In this video, Salman Khan of Khan Academy explains projectile motion. Part 9 of 10.
Khan Academy
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Interactive Java applets that can be downloaded or run from the website. Graphics are excellent. Covers several less common topics, e.g. in heat and thermodynamics.
Physics Education Technology Project
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Explanations, formulae, and excellent illustrations covering the fundamentals of uniform circular motion and centripetal force.
SparkNotes
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A list of equations and constants for AP Physics B and C exams, organized by subject.
PhysicsLAB
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In this video, Salman Khan of Khan Academy introduces the basic concepts of motion. Part 3 of 3.
Khan Academy
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