Answer:
As \[\overset{\to }{\mathop{A}}\,.\overset{\to
}{\mathop{A}}\,=A.A\cos {{0}^{o}}={{A}^{2}}\]or \[A={{\left( \overset{\to
}{\mathop{A}}\,.\overset{\to }{\mathop{A}}\, \right)}^{1/2}}\]
You need to login to perform this action.
You will be redirected in
3 sec