14. Vectors
Unit Vectors and i & j Notation
Multiple Choice
Multiple ChoiceIf vector v⃗=12ı^−2ȷ^ and vector u⃗=5ı^+20ȷ^ calculate 2v⃗−2u⃗ using ı^ and ȷ^ notation.
A
14ı^−44ȷ^
B
7ı^−18ȷ^
C
14ı^+44ȷ^
D
14ı^−36ȷ^
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If vector v⃗=12ı^−2ȷ^ and vector u⃗=5ı^+20ȷ^ calculate 2v⃗−2u⃗ using ı^ and ȷ^ notation.
14ı^−44ȷ^
7ı^−18ȷ^
14ı^+44ȷ^
14ı^−36ȷ^