SOLUTION: the rate at which a battery charges is slower the closer the battery is to its maximum charge X the time ( in hours) required to charge a fully discharged battery to a charge C is

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Question 848065: the rate at which a battery charges is slower the closer the battery is to its maximum charge X the time ( in hours) required to charge a fully discharged battery to a charge C is given by
t=-k%2Aln%281-%28c%2Fx%29%29
where k is a positive constant that depends on the battery for a certain battery k=.25 if this battery is fully discharged, how long will it take to charge to 90% of its maximum charge X?
Answer by Fombitz(32388) About Me  (Show Source):