# I keep getting this wrong?

Earth orbits the sun once every 365.25 days.

Find the average angular speed of Earth

about the sun.

Answer in units of rad/s.

### 4 Answers

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- Anonymous1 month agoFavorite Answer
angular speed ω = 2PI / (3600*24*365.25) = 1.99*10^-7 rad/sec

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- MorningfoxLv 71 month ago
It actually takes 365.256363004 days (sidereal year).

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- stanschimLv 71 month ago
(2π radians / 365.25 days)(1 day / 24 hours)(1 hour / 3600 seconds) = 1.99x10^(-7) rad/s

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- billrussell42Lv 71 month ago
1 rotation is 2π rad

365.25 days x 24 hr/day x 3600 s/hr = 31557600 s

2π rad / 31557600 s = 0.0000001991021 rad/s

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