Find the Principal Unit Normal Vector N for the Curve

question 113

Multiple Choice

Find the principal unit normal vector N for the curve r(t) .
-r(t) = (10 sin t) i + (10 cos t) j + 9k

• A) N = (sin t)i + (cos t)j
• B) N = (-sin t)i + (cos t)j
• C) N = (-sin t)i - (cos t)j
• D) N = (-cos t)i - (sin t)j

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Definitions:

Figure Panel

A segment or section of a larger diagram or illustration, often used in scientific publications to display detailed information or results.

Metaphase II

A phase of meiosis II in which the chromosomes align at the equatorial plate of the cell before being separated into two daughter cells.

Sister Chromatids

Identical copies of a chromosome, connected by a centromere, that are produced during DNA replication and are present until they are separated during cell division.

Duplicated Chromosomes

Duplicated chromosomes refer to chromosomes that have been replicated and consist of two identical sister chromatids joined at a centromere.