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find the cross product a x b of the vectors a = 5.0m,i and b=4.3m,k
[tex]5.0m\ast 4.3m\ast \sin (90)=22m^2,\hat {j}[/tex]
The back of the book gives
[tex]-(22m^2)\hat {j}[/tex]
Where does the minus sign come from?
[tex]5.0m\ast 4.3m\ast \sin (90)=22m^2,\hat {j}[/tex]
The back of the book gives
[tex]-(22m^2)\hat {j}[/tex]
Where does the minus sign come from?