Determine whether the vectors u and v are parallel, orthogonal, or neither.u = , v = 

A. Orthogonal
B. Neither
C. Parallel


Answer: A

Mathematics

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A trough has vertical ends that are equilateral triangles with sides of length 7 ft. If the trough is filled with water to a depth of 4 ft, find the force exerted by the water on one end of the trough. Round to one decimal place. (The weight density of water is 62.4 lb/ft3.) Select the correct answer.

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