A planet orbits a star once every 299 107 s in a nearly


A planet orbits a star once every 2.99 107 s in a nearly circular orbit of radius 1.42 1011 m.

(a) With respect to the star, determine the angular speed of the planet.

rad/s

(b) With respect to the star, determine the tangential speed of the planet.

m/s

(c) With respect to the star, determine the magnitude and direction of the planet's centripetal acceleration.

magnitude m/s2

direction

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Physics: A planet orbits a star once every 299 107 s in a nearly
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