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A 14-kg shell is fired from a gun with a muzzle velocity 100 m/s at 42o...

A 14-kg shell is fired from a gun with a muzzle velocity 100 m/s at 42o above the horizontal. At the top of the trajectory, the shell explodes into two fragments of equal mass. One fragment, whose speed immediately after the explosion is zero, falls vertically. Calculate the range of the other fragment, assuming level terrain.

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