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  4. A projectile is fired at an angle and it was following a parabolic path. Suddenly, it explodes into fragments. Choose the correct statement regarding this situation. <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/physics/33f07b67daa2b807bed00e2868abdf18-.png />

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Q. A projectile is fired at an angle and it was following a parabolic path. Suddenly, it explodes into fragments. Choose the correct statement regarding this situation.
image

System of Particles and Rotational Motion

Solution:

In the given situation, projectile could be considered as rigid body before explosion and after explosion, as its fragments are considered as system of particles. Thus, the concept of CM is applicable to both.
Since, the explosion is due to internal forces, so the motion of CM after explosion will follow the same parabolic path as it would have followed if there was no explosion.
Thus, statement given in option is correct, rest are incorrect.