Answer to Question #67937 in Physics for Karen

Question

consider of the motion of the earth around the sun. assume that the earth orbit is a perfect circle and the earth moves at constant speed around the sun. the earth orbits the sun at average distance of 1.0 x10 ^11 m.
a) what is the orbital speed of the earth around the sun? Answer in m/s.
B) what is the radial acceleration of the earth around the sun?
C) what direction is acceleration pointing?