You have two protons, one at (0.0 nm, 2.5 nm) and (4.0 nm, 0.0nm). You have an electron at the origin, (0.0 nm, 0.0 nm). Make a simple sketch on this page. Calculate the electrical force vector on the electron each of the protons; sketch these constituent forces. Calculate the net electrical force and sketch it in. What is the tilt angle ? above the x-axis for the net electric force? Include a few strategic phrases or sentences. Label everything clearly.
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You have two protons, one at (0.0 nm, 2.5 nm) and (4.0 nm, 0.0nm). You have...
Question 3-10 points One of the most important functions of the membrane in living cells is its ability to selectively pass either sodium ions (Na) or potassium ions (K) through channels in the membrane. These ions have the same charge +le). The electric force exerted on them by the membrane will be similar. In addition, they are about the same size (RNa~0.12 nm, RK 0.15 nm). So how can channels in the membrane distinguish between them? One mechanism that has...