Two ice skaters, Daniel (mass 65.0 kg ) and Rebecca (mass 45.0 kg ), are practicing. Daniel stops to tie his shoelace and, while at rest, is struck by Rebecca, who is moving at 12.0 m/s before she collides with him. After the collision, Rebecca has a velocity of magnitude 8.00 m/s at an angle of 54.1 ∘ from her initial direction. Both skaters move on the frictionless, horizontal surface of the rink. 
Part A Part complete What is the magnitude of Daniel's velocity after the collision?  Part B Part complete What is the direction of Daniel's velocity after the collision? 
Part C What is the change in total kinetic energy of the two skaters as a result of the collision? 


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