Four Vectors $\overrightarrow { \mathrm { A } }$ $\overrightarrow { \mathrm { B } }$

question 141

Multiple Choice

Four vectors, $\overrightarrow { \mathrm { A } }$ , $\overrightarrow { \mathrm { B } }$ , $\overrightarrow { \mathrm { C } }$ , and $\overrightarrow { \mathrm { D } }$ , are shown in the figure. The sum of these four vectors is a vector having magnitude and direction

• A)4.0 cm, along +x-axis.
• B)4.0 cm, along -x-axis.
• C)4.0 cm, along +y-axis.
• D)4.0 cm, along -y-axis.
• E)4.0 cm, 45° above +x-axis.

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Definitions:

Myelination

The process of coating the axons of neurons with a fatty sheath called myelin, which increases the speed and efficiency of electrical signal transmission.

Neural Development

The process by which the nervous system forms, grows, and matures, including the development of neurons and the formation of neural connections.

Radial Glial Cells

Radial glial cells are neural stem cells that serve as progenitors for neurons and glia, playing a critical role in the development of the brain's architecture through their guidance of migrating neurons.

Development

The process of growth or improvement over a period of time, encompassing physical, cognitive, emotional, and social changes.