A projectile is fired at a speed of 100, m/se | vedclass

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Question

$\mathrm{By} \mathrm{COLM}$

$\operatorname{mucos} 	heta=\left(\frac{3 \mathrm{m}}{4}ight) \mathrm{V}^{1} \Rightarrow \mathrm{V}^{1}=\frac{4}{3}(

Vedclass · Accepted Answer

$1120$

Vedclass · Answer

$\mathrm{By} \mathrm{COLM}$

$\operatorname{mucos} 	heta=\left(\frac{3 \mathrm{m}}{4}ight) \mathrm{V}^{1} \Rightarrow \mathrm{V}^{1}=\frac{4}{3}(\mathrm{u} \cos 	heta)$

so total Range become

$\frac{\mathrm{R}}{2}+\frac{2 \mathrm{R}}{3}=\frac{3 \mathrm{R}+4 \mathrm{R}}{6}=\frac{7 \mathrm{R}}{6}$

$\mathrm{R}=\frac{\mathrm{u}^{2} \sin 2 	heta}{\mathrm{g}}=\frac{100 	imes 100 	imes 2 	imes \frac{3}{5} 	imes \frac{4}{5}}{10}$

$=960 \mathrm{m}$

Total range $=7 / 6 	imes 960=1120 \mathrm{m}$

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