Part A

A $228-$kg projectile, fired with a speed of $147\frac{m}{s}$ at a $50\mathrm{.}0$ angle, breaks into three pieces of equal mass at the highest point of its arc $($where its velocity is horizontal$).$ Two of the fragments move with the same speed right after the explosion as the entire projectile had just before the explosion; one of these moves vertically downward and the other horizontally.

Determine the magnitude of the velocity of the third fragment immediately after the explosion.

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Part B

Determine the direction of the velocity of the third fragment immediately after the explosion.

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Correct

Part C

Determine the energy released in the explosion.

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