The earth has a radius of 6.38 x 10° m and turns on its axis once every 23.9 h. (a) What is the tangential speed (in m/s) of a person living in Ecuador, a country that lies on the equator? (b) At what latitude (ie., the angle 0 in the drawing) is the tangential speed one-third that of a person living in Ecuador? | Axis of rotation Equator Figure 4 Question 5(a) Earth rotation

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.