(a) What is the centripetal acceleration of an object on the Earth's equator due to the rotation of Earth?
(b) What would the Earth's rotation period have to be for objects on the equator to have a centripetal acceleration equal to 9.8 m/s2?
(b) What would the Earth's rotation period have to be for objects on the equator to have a centripetal acceleration equal to 9.8 m/s2?