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 problems

  1. Sep 10, 2008 #1
    Ina projectile motion, if we measure the maximum
    height h and horizontal range R
    (1) How to get launch angle θin terms of h and R
    (2) A hobby rocket reaches a height of 72.3 m and lands 111 m from the launch point.
    What is the angle of launch?
    What is the launch speed?

    I already did part 1. Can you provide me help with part 2. Thanks
  2. jcsd
  3. Sep 11, 2008 #2


    User Avatar
    Science Advisor
    Homework Helper

    Welcome to PF!

    Hi gamacmua! Welcome to PF! :smile:

    Show us what you've tried, and where you're stuck, and then we'll know how to help. :smile:
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook