Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Due in 10 MINUTES! (Easy) (Yes/No)

  1. Feb 4, 2009 #1
    1. The problem statement, all variables and given/known data

    Which of the following factors are relevant in determining the range of a projectile that is launched on a very large flat plain? (i.e. no hills or cliffs)
    mass of projectile
    initial launch speed
    acceleration due to gravity on Earth
    initial launch angle
    volume of projectile

    2. Relevant equations

    3. The attempt at a solution

    1. No, acceleration of gravity is constant, object falls at same speed with no air resistance
    2. Yes, initial launch speed is necessary to calculate distance traveled, etc.
    3. Yes? it is needed to calculate
    4.Yes. different angles allow different ranges, 45 deg is the greatest distance on x
    5. No, volume doesn't matter pretty obvious

    Am I correct? I have one last try
  2. jcsd
  3. Feb 4, 2009 #2


    User Avatar
    Staff Emeritus
    Science Advisor

    You need to show your working before we can help you.
  4. Feb 4, 2009 #3
    Done. Is it right?
  5. Feb 4, 2009 #4


    User Avatar
    Staff Emeritus
    Science Advisor

    It depends. What are your assumptions?
  6. Feb 4, 2009 #5
    woot i was right :P
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook