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Mar
14
awarded  Popular Question
Nov
23
awarded  Supporter
Nov
22
asked Proof of extremising functionals
Oct
6
asked Find the extremal to the functional $J(y) = \int_{0}^{1} ((y')^2 -y)dx$ and discuss whether they provide a max/min
May
13
comment Show velocity of a particle during its flight at time $t$
Thanks for this it is really helpful! The only thing I don't understand is when you say solving for v(t) gives us in the first part, why is it exp(-kt) instead of exp(kt) on the right hand side?
May
13
awarded  Student
May
12
asked Show velocity of a particle during its flight at time $t$