14. Vectors
Unit Vectors and i & j Notation
Multiple Choice
Multiple ChoiceIf vector a⃗=20ı^ and vector b⃗=50ȷ^ calculate a⃗−b⃗ using ı^ and ȷ^ notation.
A
−30ȷ^
B
20ı^−50ȷ^
C
30ı^^
D
20ı^+50ȷ^
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If vector a⃗=20ı^ and vector b⃗=50ȷ^ calculate a⃗−b⃗ using ı^ and ȷ^ notation.
−30ȷ^
20ı^−50ȷ^
30ı^^
20ı^+50ȷ^