1.

A shell of mass 5 m, acted upon byno external force and initially at rest , burts into three fragments of masses m, 2 m, 2 m respectively . The first two fragments move in opposite directions with velocitesmagnitude 2 v and v respectively . The third fragment will

Answer»

MOVE with a VELOCITY v in direction perpendicular to the other TWO
Move with a velocity 2 v in the direction of velocity of the first FRAGMENT
Move with a velocity v in the direction of velocity of the second fragment
Be at rest

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