MCQ
For a given angle of the projectile if the initial velocity is doubled the range of the projectile becomes
  • A
    Half
  • B
    One -fourth
  • C
    Two times
  • Four times

Answer

Correct option: D.
Four times
d
$\begin{array}{l}
R = \frac{{{u^2}\sin 2\theta }}{g}\\
R'\, = \frac{{2{{\left( u \right)}^2}\sin 2\theta }}{g} = 4R.
\end{array}$

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