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Physics, 08.11.2019 01:31 eleonorajacomopdb7bj

A0.400kg particle slides around a horizontal track. the track has a smooth vertical outer wall forming a circle with a radius of 1.50m. the partical is given an initial speed of 8.0m/s. after one revolution, its speed has dropped to 6.0m/s because of friction whith the rough floor of the track. (a) find the energy transformation from mechanical to internal in the system owing to friction in one revolution. (b) calculate the coefficient of kinetic friction. (c) what is the total number of revolutions the partical makes before stopping?

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