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The Earth Takes Slightly Less Than One Day to Complete

Question 12

Multiple Choice

The Earth takes slightly less than one day to complete one rotation about the axis passing through its poles. The actual time is 8.616 × 104 s. Given this information, what is the angular speed of the Earth about its axis?


A) 7.292 × 10-5 rad/s
B) 2.321 × 10-6 rad/s
C) 9.951 × 10-5 rad/s
D) 6.334 × 10-4 rad/s
E) 1.990 × 10-7 rad/s

Correct Answer:

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