What are the magnitude and direction of its acceleration

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Q. A potential difference of 80 mV exists between the inner and outer surfaces of a cell membrane. The inner surface is negative relative to the outer surface. How much work is required to eject a positive sodium ion (Na+) from the interior of the cell?

Q. The force exerted by the wind on the sails of a sailboat is 460 N north. The water exerts a force of 150 N east. If the boat (including its crew) has a mass of 340 kg, what are the magnitude and direction of its acceleration?

Reference no: EM1358138

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