Vector problem(s)

Isabelle612

New member
Joined
Jan 13, 2021
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2
Please help me with 4. If anyone could give a step by step explanation, it would be great.image.jpg
 

Dr.Peterson

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Joined
Nov 12, 2017
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10,211
4a: Find vector AB, then find its length.
4b: Find the value of t that yields the indicated values for x and z, then use that to find y.
4c: Use A from (4a) and C from (4b).
4d: Use the scalar (dot) product.
4e: Use the vector (cross) product, or else use the sine of the angle and lengths of the vectors.

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