The earth orbits the sun once a year 316x 107s in a nearly

Question

The earth orbits the sun once a year (3.16X 107s) in a nearly circular orbit of radius 1.50X1011m. With respect to the sun, determine

(a) the angular speed of the earth.

(b) the tangential speed of the earth and,

(c) magnitude and direction of the earth's centripetal acceleration.