Calculate this angular speed in rad/s and rev/min

Reference no: EM1313649

Q1. The tape in a videotape cassette has a length L = 256 m. The tape plays for t = 2.3 h. As the tape starts, the full reel has an outer radius of about R = 49.0 mm, and an inner radius of about r = 14.0 mm. At some point during the play, both reels have same angular speed. Calculate this angular speed in rad/s and rev/min.

Q2. What would be the potential difference VC - VB across the thin resistor if the battery emf is 4.00 volts? Suppose that the electric field in the thick wires is very small (so that the potential differences along the thick wires are negligible).

Reference no: EM1313649

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