Posted by **jeff** on Saturday, February 26, 2011 at 9:53pm.

The initial kinetic energy imparted to a 0.72 kg bullet is 1777 J.The acceleration of gravity is 9.81 m/s2. Neglecting air resistance, find the range of this projectile when it is fired at an angle such that the range equals the maximum height attained.

Answer in units of km.

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