Question

In: Physics

(a) Using the definition of the scalar product, find the angles between the following pairs of...

(a) Using the definition of the scalar product, find the angles between the following pairs of vectors.

A = 2 i + 3 k and B = - 3 i - 3 j - 5 k    ___°
A = - 5 j and B = - 3 i - 4 j - k    ___°
A = 5 i + 5 j and B = 4 i + 4 j + 2 k    ___°

(b) For A = 2 i + j - 3 k, B = - 2 i + 5 j + 3 k, and C = 2 j - 3 k, find (A - B) to three significant figures. ___

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