EP Chap13 - 1 Chap 13 Gravitation Note this is an outline...

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Unformatted text preview: 1 Chap 13 Gravitation Note this is an outline of the lecture, print this and take notes on it in lecture It is not the and take notes on it in lecture. It is not the complete lecture. You should attend lecture to get the complete notes Images taken from Halliday/Resnick/Walker, Fundamentals of Physics, 7 th Edition, John Wiley and Sons Inc., by permission. Hints 19. The gravitational force must provide the centripetal force to stop mass flying off the surface of the star as it rapidly rotates. 33. a) Remember that U = Gm A m / R where R is the separation of the centers of the two masses. Now apply conservation of energy with the final KE and PE being zero. 56. b) Know from Newtons 2 nd law that F G = mv 2 / r . Use this to find v . Now find the ratio of kinetic energies. Newton's Law of Gravitation /kg N.m 10 6.67 G e) (attractiv 2 2 11- 2 2 1 = = r m m G F law? 3 s Newton' satisfy this Does rd Newtons 3 rd law Pull of Apple on Earth = pull of Earth on apple Newtons 3 rd law...
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EP Chap13 - 1 Chap 13 Gravitation Note this is an outline...

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