[mahmoud sharha]

[[fot1]size=5]مساعدة في حل سوال mechanics باسرع وقت ممكن
السؤال هو :
a particle moving in the potential V(x)=-Fx ,travels from the point x=0 to
x=a in time interval t .Find the time dependence of the position of the
particle ,assuming it to be of the form x(t)=At^2 +Bt+C and determine the
constants A,B,Csuch that the action is minimum

وشكرا جزيلا لكم جميعا [/size[/fot1]]