Asked by amy
can someone please help me with this question?
A vector has components x =4 , y =2. When the vector is multiplied by the scalar 9, how does its magnitude and direction change?
A vector has components x =4 , y =2. When the vector is multiplied by the scalar 9, how does its magnitude and direction change?
Answers
Answered by
oobleck
the direction does not change
the x and y values both are multiplied by 9
k(a<b>i</b> + b<b>j</b>) = ka<b>i</b> + kb<b>j</b>
the x and y values both are multiplied by 9
k(a<b>i</b> + b<b>j</b>) = ka<b>i</b> + kb<b>j</b>
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