1.

Here are three displacements, each measured in meters: →d1=4^i+5^j−6^k,→d2=−1^i+2^j+3^k, and →d3=4^i+3^j+2^k What is →r=→d1−→d2+→d3?

Answer»

Here are three displacements, each measured in meters:

d1=4^i+5^j6^k,d2=1^i+2^j+3^k, and d3=4^i+3^j+2^k

What is r=d1d2+d3?




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