Question Number 15448 by Tinkutara last updated on 10/Jun/17
$$\mathrm{A}\:\mathrm{vector}\:\overset{\rightarrow} {{A}}\:\mathrm{of}\:\mathrm{magnitude}\:{A}\:\mathrm{is}\:\mathrm{turned} \\ $$$$\mathrm{through}\:\mathrm{an}\:\mathrm{angle}\:\theta.\:\mathrm{Calculate}\:\mathrm{the} \\ $$$$\mathrm{change}\:\mathrm{in}\:\mathrm{the}\:\mathrm{magnitude}\:\mathrm{of}\:\mathrm{vector}. \\ $$
Commented by prakash jain last updated on 10/Jun/17
$$\mathrm{There}\:\mathrm{is}\:\mathrm{no}\:\mathrm{change}\:\mathrm{in}\:\mathrm{magnitude} \\ $$$$\mathrm{of}\:\mathrm{vector}\:\mathrm{only}\:\mathrm{direction}\:\mathrm{is}\:\mathrm{changed}. \\ $$
Commented by Tinkutara last updated on 10/Jun/17
$$\mathrm{Thanks}\:\mathrm{Sir}! \\ $$