# vector question help!! (1 Viewer)

#### poptarts12345

##### Member
Two forces, of magnitude p newtons and q newtons, have a resultant of 2√7 N when they act at 90° to each other. When they act at 30° to each other, however, the magnitude of the resultant is 2√13 N. Find the values of p and q.

This question is from the cambridge textbook.

ANS : 2√3 and 4

#### Trebla

$\bg_white p^2+q^2=28$
$\bg_white pq=8\sqrt{3}$