1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
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: Projectile Motion Golf Ball Question

  1. Feb 27, 2008 #1
    I'm sure you get a lot of projectile motion questions on here, sorry bout this. I used the search feature but I couldn't find anything quite like this problem and it's giving me some issues. It just doesn't seem like they give enough information for solving!

    1. The problem statement, all variables and given/known data
    A golfer can hit a golf ball a horizontal distance of over 300m on a good drive. What maximum height would a 301.5m drive reach if it were launched at an angle of 25.0 degrees to the ground.

    Theta = 25 degrees
    Distance (x) = 301.5m
    At max height, Velocity (y) = 0
    Max height is at 1/2t

    2. Relevant equations

    D(x) = Vi*(cos25)*t
    V(x) = Vi*(cos25)
    D(y)= Vi*(sin25)*t - .5*g*t^2
    V(y), f = Vi*(sin25) - g*t
    (Vy, f) ^2 = (Vi)^2*(sin25)^2 - 2g*D(y)

    3. The attempt at a solution

    I tried this problem for at least 45 minutes, but each time I just ended up erasing everything because it wouldn't work out. I was trying to work out the initial velocity, but I kept getting 2 unknowns in all the equations! Thanks for helping me :)
    Last edited: Feb 27, 2008
  2. jcsd
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook

Can you offer guidance or do you also need help?
Draft saved Draft deleted