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!

Find the radius

  1. Feb 13, 2012 #1
    1. The problem statement, all variables and given/known data

    A block of mass m1=2kg is attached to a cord. The cord goes down through a hole in the table and is attached to mass m2=4 kg hanging below the table. The 2 kg mass moves on the table in a circle at a speed of 3.5 m/s the table top is friction less and there is no friction between the cord and the side of the hole. What is the radius of the circle if the 4 kg mass remains at rest?

    2. Relevant equations

    Sum of force x direction m1: T=mv^2/r

    Sum of forces y direction m1: N-mg=mv^2/r

    Sum of forces x direction m2: Mg-t= Mv^2/r

    3. The attempt at a solution

    I have tried to use this equations and i cannot come up wit the solution. Do i have my equation correctly in this problem?
     
  2. jcsd
  3. Feb 14, 2012 #2
    I guess you use orbital length to get the answer :P
     
    Last edited: Feb 14, 2012
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook




Similar Discussions: Find the radius
  1. Finding the radius (Replies: 4)

  2. Find the radius (Replies: 9)

Loading...