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-   -   Rotational motion & angular displacement (https://www.askmehelpdesk.com/showthread.php?t=755433)

  • Jun 25, 2013, 06:14 PM
    aeroapollo
    Rotational motion & angular displacement
    The earth spins on its axis once a day and orbits the sun once a year (365 1/4 days). Determine the average angular velocity (in radians/second) of the earth as it (a) spins on its axis and (b) orbits the sun. In each case, take the positive direction for the angular displacement to be the direction of the earth's motion.
  • Jun 26, 2013, 05:53 AM
    ebaines
    These simply require converting rotational speed from revolutions per day or year to radians per second. For example for (a) you need to divide 1 rev/day by the number of seconds in a day to determine rev/sec, then multiply by radians/rev to get it in radians per second.

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