Pathfinder Impulse & Momentum BYU 20

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A box of length 22 cm and mass 100 g rests on a horizontal frictionless floor. A small bead of mass 10 g is placed at the centre of the bottom of the box. There is no friction between the bead and the bottom of the box. The bead is projected with a velocity 11 cm/s parallel to the length of the box. If all the collisions are perfectly elastic, find displacement of the box in a time interval 60 s after the bead was projected.

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