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Question 1025731: The following problem concerns laptop computer batteries. As the computer runs, the total charge on the battery, measured in milliampere-hours or mAh, goes down. A particular new laptop battery has a capacity of 4900 mAh when fully charged, and under normal use will discharge at a constant rate of about 0.27 mAh/s.
Find an expression for f(t), the amount of charge (in mAh) remaining on a new battery after t seconds of normal use, assuming that the battery is charged to capacity at time t=0.
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! The following problem concerns laptop computer batteries. As the computer runs, the total charge on the battery, measured in milliampere-hours or mAh, goes down. A particular new laptop battery has a capacity of 4900 mAh when fully charged, and under normal use will discharge at a constant rate of about 0.27 mAh/s.
Find an expression for f(t), the amount of charge (in mAh) remaining on a new battery after t seconds of normal use, assuming that the battery is charged to capacity at time t=0.
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f(t) = 4900 -0.27t
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Cheers,
Stan H.
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