It takes 23 hours 56 minutes and 4 seconds for the earth to make one revolution

Question

It takes 23 hours 56 minutes and 4 seconds for the earth to make one revolution (mean sidereal day). What is the angular speed of the earth?
7.2910-5rad/s

You are correct.
Your receipt no. is 150-1358 Previous Tries
It takes 23 hours 56 minutes and 4 seconds for the earth to make one revolution (mean sidereal day). What is the angular speed of the earth? 7.29½10^-5rad/s You are correct. Your receipt no. is 150-1358 Previous Tries Assume the earth is spherical. Relative to someone on the rotation axis, what is the linear speed of an object on the surface if the radius vector from the center of the earth to the object makes an angle of 65.0½ with the axis of rotation. The radius of the earth is 6.37½10^3km. Linear speed for motion in a circle is the radius times the angular velocity. Note, the radius of the earth is given in kilometers Incorrect. Tries 5/99 Previous Tries What is the acceleration of the object on the surface of the earth in the previous problem? What is the acceleration of an object undergoing uniform circular motion?

Explanation / Answer

Linear Speed :420.86 m/s Acceleration = 0.0338 m/s^2 (excluding gravity) or 9.77 m/s^2(including gravity taking g= 9.8 m/s^2)

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