Answers by visitors named: qw

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it depends can be: 2 - 5 60 - 150 or 2 - 5 24 - 60

so they have $210 or $84

F is dU/dr, but can't be "r" in answer, only A, B, m, n and r0

I tried this yesterday and doesn't work

somebody can help?

I don't understand what you did ;> I need v= .... but in answer I can use only q,E,I,L,P sa I have to remove x from this equation.