A 5 kg projectile is fired at an angle of 25o above the horizontal. Its initial velocity is 200 m/s

A 5 kg projectile is fired at an angle of 25o above the horizontal. Its initial velocity is 200 m/s and just before it hits the ground its velocity is 150 m/s. What is the change in the mechanical energy of the projectile? Group of answer choices +44,000 J +19,000 J -19,000 J -44,000 J 0

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