Video Index
Please make sure you play the Video before clicking the links below.
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Dependence of Roll on Inertia
Proof that acceleration is independent of M, R; acceleration for various geometries, with demonstration.
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Energy from Spindown
Demo of converting rotational KE to linear KE from car flywheel; rotational KE of Sun, Earth and potential for use.
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Ball in Circular Well
Demonstration of failure of simple harmonic motion for ball in circular well; calculation of T does not agree with SHM.