Question

If vector A=8,vector B=6 and thita=90°, then find the magnitude and direction of the resultant vector

Answer 1

Answer:

10

Explanation:

vectorA=8

vectorB=6

resultant vector =√A^2+B^2+2ABcostheta

=√8^2+6^2+(2)(8)(6)(cos90)

√64+36+0 (cos90=0)

=√100

=10

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