Kinematics Question 602

Question: If the vectors (i^+j^+k^)

and 3i^ form two sides of a triangle, the area of the triangle it’s:

Options:

A) 3

B)23

C) 32

D)32

Show Answer

Answer:

Correct Answer: C

Solution:

[c] The area of the triangle A=12|(i^+j^+k^)×(3i^)|=32.



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