Year 12s: what will be the first way you research your future options? >>

Year 12s: what will be the first way you research your future options? >>

Year 12s: what will be the first way you research your future options? >>

Vectors

I have don't remember how to do vectors I have this question :

Given that the resultant of the vectors a=2pi-5j and b=6i-3pj is paralel to the vector c=4i-5j

(a) find value of the p

(b)find the resultant of the vectors a and b

Can anyone give me pointers to begin question so I will be reminded of how to do vectors.

Study Forum Helper

Original post by Anonymous1502

I have don't remember how to do vectors I have this question :

Given that the resultant of the vectors a=2pi-5j and b=6i-3pj is paralel to the vector c=4i-5j

(a) find value of the p

(b)find the resultant of the vectors a and b

Can anyone give me pointers to begin question so I will be reminded of how to do vectors.

If

\mathbf{a}

is parallel to

\mathbf{b}

then

\mathbf{a} = k\mathbf{b}

for some scalar

k

.

So really, the question for you reduces down to "What's the resultant in terms of

p

?"

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