The earth orbits the sun once a year (3.16 107 s) in a nearly circular orbit radius 1.50 1011 m. With respe?

Question

The earth orbits the sun once a year (3.16 107 s) in a nearly circular orbit radius 1.50 1011 m. With respect to the sun, determine the following.
(a) the angular speed of the earth
b) the tangential speed of the earth
the magnitude and direction of the earth's centripetal acceleration
magnitude

Answer 1

not sure if this will help

Answer 2

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