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Classical Mechanics

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Moderate

Kinetic Energy: Sticky Beads Collide

CLMECH-LZYBYD

Two beads travel on a frictionless straight wire. The bead on the left has a mass of $50.0\ g$ and is moving to the right at a speed of $3.00\ m/s$. The bead on the right has a mass of $75.0\ g$ and is moving to the left at a speed of $1.00\ m/s$. After the beads collide they stick together and move at a speed of $0.60\ m/s$.

What is the change in kinetic energy of the system of the two beads?