PPT Slide

Example in 2D

mA=0.020kg

mB=0.030kg

mC=0.050kg

A, B, and C collide at the origin and

stick together. If the final lump ends up

moving 0.5m/s in the +x direction after

the collision, what was the initial velocity

of C? What is the change in KE of

the three sphere system?