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14. Vectors

Unit Vectors and i & j Notation

14. Vectors

Unit Vectors and i & j Notation

Multiple Choice
If vector $v⃗=12î-2ĵ$ and vector $u⃗=5î+20ĵ$ calculate $2v ⃗-2u ⃗$ using $î$ and $ĵ$ notation.
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Multiple Choice
If vector $v ⃗=$ $11ĵ$ and vector $u⃗=$ $10î-25ĵ$ calculate $v⃗+\frac15u⃗$ using $î$ & $ĵ$ notation.
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Multiple Choice
If vector $a⃗=20î$ and vector $b⃗=50ĵ$ calculate $a ⃗-b ⃗$ using $î$ and $ĵ$ notation.
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Multiple Choice
Find the unit vector in the direction of $v⃗=12î-35ĵ$ .
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Multiple Choice
Find the unit vector in the direction of $a⃗=6î+3ĵ$ .
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