Question 685480
First question: Use this equation to express the time t as a function of the current I: I = 60-13(I-e^-13/5).  The answer is t= -5/13 ln(I-13/60I.)
-------
I = 60-13(I-e^-13/5)
There's no t in the equation.
------
Second question: After how many seconds is the current 2A?  The answer is 0.218s.