Physics, 28.05.2020 22:05 BWomack214

If the inner and outer radii of the groove on
an LP are 10 cm and 5 cm, what is the linear speed of the phonograph needle at the
beginning and at the end of play, respectively? (A standard LP rotates at the speed
of 33.3333 rev/min.)
1. 17.5 cm/s at both
2. 35 cm/s and 17.5 cm/s
3. 17.5 cm/s and 8.75 cm/s
4. 70 cm/s and 35 cm/s
5. 35 cm/s at both

Answers: 3

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If the inner and outer radii of the groove on
an LP are 10 cm and 5 cm, what is the linear spe...

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