117.
What is the angular velocity of earth
1)
2x
rad / sec
86400
2)
2x
rad/sec
3600
3)
rad /sec
4)
21
rad /sec
6400
110
Hii
Answers
Answered by
1
Answer:
2π/86400 rad / sec
86400
Explanation:
The Earth approximately 24 hours to make one complete revolution (360 degree ). This length of time is known as a sidereal day.
Time period of rotation T=24×3600=86400 s
The Earth rotates at a moderate angular velocity
w= 2π /T
= 2π /86400 rad/s.
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