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: Accelerating projectile force needed

  1. Dec 24, 2014 #1
    1. The problem statement, all variables and given/known data
    I need to accelerate a 0.2 gram projectile to 300 m/s within 80cm. How much force (N) do I need?

    2. Relevant equations
    E = F * S

    3. The attempt at a solution
  2. jcsd
  3. Dec 24, 2014 #2
    There is no attempt at a solution.
  4. Dec 24, 2014 #3


    User Avatar
    Science Advisor
    Homework Helper
    Gold Member

    You know a mass a velocity and a distance, and you wish to determine a force. You have quoted an equation involving energy, force and distance. What other equations involving some of mass, energy, velocity, force and distance do you know?
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted