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(hrw8c9p15) A shell is fired from a gun with a muzzle velocity of 39 m/s, at...


(hrw8c9p15) A shell is fired from a gun with a muzzle velocity of 39 m/s, at an angle of 60° with the horizontal. At the top of the trajectory, the shell explodes into two fragments of equal mass (see the figure). One fragment, whose speed immediately after the explosion is zero, falls vertically. How far from the gun does the other fragment land, assuming that the terrain is level and that the air drag is negligible?

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