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Find the power developed by an engine with torque

  1. Apr 5, 2007 #1
    I don't get Physics at all and I need to have this take home test done by the end of the day today. If you could please work these problems out for me and possibly give me the answer that would be great.

    Problem 7: Find the power developed by an engine with torque 1110 N m applied at 5500 rpm.

    Problem 8: A motor turning at 1500 rpm is fitted with a gear having 50 teeth. Find the speed of the driven gear if it has 40 teeth.

    Problem 9: The larger of the two gears in a clock has 36 teeth and turns at a rate of 0.50 rpm. How many teeth does the smaller gear have if it rotates at 1?50 rev/s?

    Problem 12: Two people are standing 3.00 m apart. The first one has a mass of 85.0 kg and the second's mass is 98.0 kg. Find the gravitational attraction between the two people.
     
  2. jcsd
  3. Apr 5, 2007 #2

    Hootenanny

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    Welcome to the Forums,

    Here at PF we are prohibited from providing posters with answers or model solutions; however, if you are willing to put some effort in we can guide you through the problems.
     
  4. Apr 5, 2007 #3
    i dont kno how to even start it off man, can u send me an email wit the answers then?
     
  5. Apr 5, 2007 #4

    Hootenanny

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    No, I'm not willing to hand out solutions to exams. There may be others here that will or other forums that will allow such posts. That said, you must have some idea how to approach these questions or else you wouldn't be sitting the exam.
     
  6. Apr 5, 2007 #5
    yea i would, i have to take the ****in class man, im in college dude, its required! I'm out this place is a joke!
     
  7. Apr 5, 2007 #6

    Evo

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    Staff: Mentor

    This is a forum for homework *help*.

    This is not a forum where lazy people can come and get answers handed to them.

    You've been offered help, apparently you're not willing to even try.
     
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