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July 30, 2014

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Posted by **Sarah** on Tuesday, December 27, 2011 at 8:03am.

definition of Q is Q = (i × i) × j .

a. The magnitude of P is equal to the magnitude of Q.

b. The magnitude of P is greater than the magnitude of Q.

c. The magnitude of P is less than the magnitude of Q.

Is the answer A

- Physics -
**Damon**, Tuesday, December 27, 2011 at 8:50pmP

(i x j) = k

i x k = -j

Q

i x i = 0

0 x j = 0

so|P| > |Q|

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