Find the Angle Between the Vectors U and V If $\mathbf { u } = \mathbf { i } + 2 \mathbf { j }$

question 66

Multiple Choice

Find the angle between the vectors u and v if $\mathbf { u } = \mathbf { i } + 2 \mathbf { j }$ and $\mathbf { v } = 4 \mathbf { i } + 2 \mathbf { j }$ Round answer to two decimal places.

• A)36.87°
• B)37.83°
• C)38.28°
• D)34.94°
• E)35.63°

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Definitions:

Resting Membrane Potential

The electrical charge difference across the membrane of a resting neuron or muscle cell, making it polarized and ready for activation.

Na+

Sodium ions, essential for conducting nerve impulses and maintaining the balance of fluids in the body.

Plasma Membrane

The semipermeable membrane surrounding the cytoplasm of a cell, controlling the movement of substances in and out of the cell.

Potential Difference

Difference in electrical potential, measured as the charge difference across the plasma membrane.