s610968 s610968

15-01-2023
Physics

contestada

the tape in a videotape cassette has a total length 281 m and can play for 2 h. As the tape starts to play, the full reel has an outer radius of 45 mm and an inner radius of 12 mm. At some point during the play, both reels will have the same angular speed?
what is this common angular speed?

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