The maximum horizontal range of a projectile is $400\, m$. The maximum value of height attained by it will be ......... $m$
$100$
$200 $
$400$
$800$
The maximum horizontal range of a projectile is $400\, m$. The maximum value of height attained by it will be ......... $m$
${R_{\max }} = \frac{{{u^2}}}{g}$ $ = 400m$$({\rm{For\, }}\theta = 45^\circ )$
${H_{\max }} = \frac{{{u^2}}}{{2g}} = \frac{{400}}{2} = 200m$ $({\rm{For\, }}\theta = 90^\circ )$