a) What should be the angular velocity of the earth such that a person of mass 80 kg
standing on the earth at the equator would actually fly off the earth?
b) A ball of mass 60g is moving due south with a speed of 50 ms−1 at latitude 30ºN.
Calculate the magnitude and direction of the coriolis force on the ball. Compare the
magnitude of this force to the weight of the ball.
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