discuss the motion of the centre of mass of a firecracker that explodes in air.
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The center of mass will follow the trajectory of firecracker.
Explanation:
When a firecracker explodes, its parts separate in the air. If there is no force in the air such as the drag force of air, then the center of mass will remain in the same parabolic path. This center of mass will continue its motion along this path until the fragments will touch the ground.
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