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April 17, 2014

Homework Help: physics

Posted by Jennifer on Friday, May 25, 2012 at 12:47pm.

A planet orbits a star once every 3.14x10^7 s in a nearly circular orbit of radius 1.51x10^11 m.
(a) With respect to the star, determine the angular speed of the planet
b) With respect to the star, determine the tangential speed of the planet.
c) With respect to the star, determine the magnitude and direction of the planet's centripetal acceleration.
magnitude; direction ---Select--- directed toward the center of the orbit, directed away from the center of the orbit

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