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Question

x e Seare Logan I University of x Z zmbral inbox edugen wieyplas.com kedagenistudent/manti Auri edstes Getting started 3 web site Gallery ssignment FULL SCREEN PRINTER VERSION Chapter 03, Problem o67 Let i be directed to the east, j be directed to the north, and k be dreaed upward. What are the values of products (a) f and J j (b) (c) What are the directions (such as east or down) of products (d) 7 Note that i, J and k are unit vectors. (e) and (f) m (b) (c) -a (d) mm UNK TO SAMPLE LINK TO TEXT A Division of send some data to Morlis so that wean mprove your experience.

Explanation / Answer

a)
dor product with any 2 different axes is always 0
Answer: 0

b)
Answer: 0

c)
dor product of same axes is always 1
j.(-j) = - (j.j) = -(1) = -1
Answer: -1

d)
remember:
ixj = k , jxk = i , kxi = j
also know that: axb = -bxa

we have,
kxj = -(jxk)= -i
Answer: west

e)
(-i)x(-j) = (ixj) = k
Answer: up

f)
(-k)x(-j)= (kxj) = -(jxk) = -i
Answer: west

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