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The earth spins on its axis once a day and orbits the sun once a year (365.24 days). In each case take the positive direction for the angular displacement to be the direction of the earth's motion.
(a) Find the average angular velocity of the earth as it spins on its axis.
rad/s
(b) Find its angular velocity as it revolves around the sun.
A ray of light is incident on the surface of a block of clear ice at an angle of 34.0° with the normal, Find the angle between the reflected and refracted light.
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