The kinetic energy of a projectile at its highest position is \( K \). If the range of the proje...
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0The kinetic energy of a projectile at its highest position is \( K \). If the range of the projectile is four times the height of the projectile, then the initial kinetic energy of the projectile is
(a) \( \sqrt{2} K \)
(b) \( 2 \mathrm{~K} \)
(c) \( 4 K \)
(d) \( 2 \sqrt{2} K \)
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