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A shell is fired from a gun with a muzzle velocity um/sec at an angle  with the horizontal. At the topof the trajectory the shell explodes into twofragments P and Q of equal mass. If the speed ofthe fragment P immediately after explosionbecomes zero, where does the centre of mass ofthe fragments hit the ground ?

A shell is fired from a gun with a muzzle velocity um/sec at an angle  with the horizontal. At the topof the trajectory the shell explodes into twofragments P and Q of equal mass. If the speed ofthe fragment P immediately after explosionbecomes zero, where does the centre of mass ofthe fragments hit the ground ?

Grade:11

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