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zalisa [80]
3 years ago
12

In the diagram, the wavelength is shown by :

Physics
1 answer:
MAXImum [283]3 years ago
6 0

Answer:

i think the anwer is C

Explanation:

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Answer:

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V1 = (-5, 7, 2)

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Projection of v1 along v2, we use the following formula

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So, the dot product of V1 and V2 is = - 5 (3) + 7 (1) + 2 (2) = -15 + 7 + 4 = -4

The magnitude of vector V2 is given by

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So, the projection of V1 along V2 = - 4 / 3.74 = - 1.07 ft

Thus, the projection of V1 along V2 is - 1.07 ft.

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