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Physics, 12.03.2020 21:34, toledanomariap43bxm
Puck A, of inertia m, is attached to one end of a string of length l, and the other end of the string is attached to a pivot so that the puck is free to revolve on a smooth horizontal surface. Puck B, of inertia 8m, is attached to one end of a string of length l/4, and the other end of the string is attached to a second pivot so that B is also free to revolve. In each case, the puck is held as far as possible from the pivot so that the string is taut and then given an initial velocity v perpendicular to the string. Part AHow does the magnitude of the angular momentum of puck A about its pivot compare with that of puck B about its pivot?frac{K_{rot ,B}}{K_{rot ,A}} = ? frac{L_{theta ,B}}{L_{theta ,A}} = ?Part BHow does the rotational kinetic energy of A compare with that of B?
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Puck A, of inertia m, is attached to one end of a string of length l, and the other end of the strin...
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