October 6th, 2008, 02:30 PM  #1 
Newbie Joined: Oct 2008 Posts: 1 Thanks: 0  Keplers laws
I don't know how to start the problem what force is required so that particle of mass m has the position function r(t)=t^3i+t^2j+t^3k can anyone walk me through this problem? thank you 
October 6th, 2008, 08:21 PM  #2 
Senior Member Joined: Jul 2008 Posts: 895 Thanks: 0  Re: Keplers laws
Do you mean to reach that position from the origin? Step 1: F = ma and a = the second derivative [in each direction] wrt time. 

Tags 
keplers, laws 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Laws of Logic  FloorPlay  Applied Math  2  December 4th, 2012 01:11 PM 
Exponent Laws  happysmiles374  Elementary Math  2  February 28th, 2012 09:48 AM 
Kepler's Laws  aaronmath  Calculus  1  February 23rd, 2012 08:12 PM 
Laws of Exponents  KingATG  Algebra  2  December 26th, 2011 07:33 PM 
Laws of Logarithms  ChloeG  Algebra  3  May 3rd, 2011 04:34 AM 