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Homework Help: Content Science Questions

  1. Jul 16, 2008 #1
    I have a couple of questions that I could use help in answering if anyone could lend me a hand it would be greatly appreciated.

    900 kj is applied to 50g of aluminum, what is the specific heat?

    Snowboarder traveling 14m/s jumps a ramp, what is the max height?

    Pendulum length L & period T, the length increases to 2L, what is T?

    5kg car collides head on with an identical car at rest, 1st car comes to a stop, what happens to the 2nd car?

    I realize some of the questions seem vague, but this is how they appear on the test?
    Any input will be helpful.
  2. jcsd
  3. Jul 17, 2008 #2


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    Welcome to PF!

    Hi brute25! Welcome to PF! :smile:

    hmm :rolleyes: … let's start with:
    What have you tried? What equation do you think would help? :smile:
  4. Jul 17, 2008 #3
    I'm not real sure.
    I'm taking the texes exam to become a science teacher in texas and this question was on the test.
    My strengths are in anatomy & biology.
    Is there a goog website to look up the equation?
  5. Jul 17, 2008 #4


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    ah … I think you need a good book which covers the whole of physics rather than a few websites to answer individual questions.

    To be a Texas science teacher, you presumably need to know a lot more science than you do at present.

    To deal with the questions you asked:

    a] wikipedia "specific heat".
    b] you ned to know formulas for uniform acceleration
    c] wikipedia "pendulum"
    d] momentum is conserved in all collisions

    But this is a patchwork approach … not very appropriate for a big career step.

    I suggest you start a thread in the Academic & Career Guidance forum (click https://www.physicsforums.com/forumdisplay.php?f=139"), where more people who can help will see it, and explain what Texas expects of you (and when), and what your personal history is, re physics and maths. :smile:
    Last edited by a moderator: Apr 23, 2017
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