3 years ago

What is the length of the x-component of the vector shown below?

2 answers:

7 0

SOH CAH TOA

$\cos( \theta ) = \frac{x}{r} \\ \\ \cos(13) = \frac{x}{88} \\ \\ x = 88 \cos(13)$
solve for x

5 0

If you shine a light straight down onto that vector, then the length of its shadow on the x-axis is

x-component = 88 · cosine(13°)

x-component = 88 · (0.9744)

<em>x-component = 85.74</em>

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Then, the charge of 1.5 x 10^10 electrons is equal to 1.5 x 10^10 times the charge of one electron:

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