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A particle P of mass m=1 moves on the x-axis under the force field F=36/(x^3) - 9/(x^2) (x>0). Show that each motion of P consi...Asked by Daphine
A particle P of mass m=1 moves on the x-axis under the force field
F=36/(x^3) - 9/(x^2) (x>0).
Show that each motion of P consists of either (i) a periodic oscillation between two extreme points, or (ii) an unbounded motion with one extreme point, depending on the value of the total energy.
Regards
F=36/(x^3) - 9/(x^2) (x>0).
Show that each motion of P consists of either (i) a periodic oscillation between two extreme points, or (ii) an unbounded motion with one extreme point, depending on the value of the total energy.
Regards
Answers
Answered by
bobpursley
This is a very old problem.
you know force= mass*acceleration
so start with the force, and find displacement as a function of time.
I will get you started.
F=ma=36/x^3 -9/x^2
but a= f" where x" is the second derivative of position with respect to time
See if you can get to f.
you know force= mass*acceleration
so start with the force, and find displacement as a function of time.
I will get you started.
F=ma=36/x^3 -9/x^2
but a= f" where x" is the second derivative of position with respect to time
See if you can get to f.
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