1.11 Vectors

70%

$a=−5i+7j\mathbf{a} = -5\mathbf{i} + 7\mathbf{j}$ and $b=xi+yj\mathbf{b} = x\mathbf{i} + y\mathbf{j}$

Given that the resultant force of $a\mathbf{a}$ and $b\mathbf{b}$ is $−2i−3j-2\mathbf{i} - 3\mathbf{j}$ find the values of $x\,$ and $y$

[2]

70%

$a=−5i+7j\mathbf{a} = -5\mathbf{i} + 7\mathbf{j}$ and $b=xi+yj\mathbf{b} = x\mathbf{i} + y\mathbf{j}$

Given that the resultant force of $a\mathbf{a}$ and $b\mathbf{b}$ is $−2i−3j-2\mathbf{i} - 3\mathbf{j}$ find the values of $x\,$ and $y$

[2]

1.11 Vectors Questions