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Newtonian Mechanics question

  1. Feb 28, 2005 #1
    COnsider a large horizontal frictionless area on the earth at phi degrees northern latitude. Through an impulse a particle is set in motion with velocity v and then left to move freely ignore all forms of friction. Find the period in the uniformcircular motion of the particle

    velocity [tex] v = \omega r [/tex]
    [tex] v_{x} = v cos \phi [/tex]
    [tex] v_{y} = v sin \phi [/tex]
    [tex] v_{z} = 0 [/tex]
    not sure about the z part...

    period [tex] T = \frac {2 \pi }{\omega sin \phi} [/tex]
    sin phi because the Y axis the one about which this motion is going about..

    I am off by a factor of 2 the answer is [tex] T = \frac{\pi}{\omega sin \phi}[/tex]
     
  2. jcsd
  3. Feb 28, 2005 #2
    What is the initial direction of the velocity vector?
     
  4. Feb 28, 2005 #3
    The question i have typed is straight out of the text book. I'm being rude when i say this it is the only way to say this but dont ask me questions about the question. If you care where this question came from look in JM Knudsen and PG Hjorth's Elements of Newtonian Mechanics
     
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