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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

A shell is fired from a cannon with a velocity at angle with the horizontal. At the highest point, it explodes into two pieces of equal mass. One of the pieces retraces its path to the cannon. The speed of the other piece just after the explosion is

Answer: (A)

Solution

At the highest point the whole shell (mass ) moves horizontally at . One piece (mass ) "retraces its path",

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Question ID VK-158051