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Hockey puck A is shot along the x-axis at 5.60 m/s at identicalhockey puck B...

Hockey puck A is shot along the x-axis at 5.60 m/s at identical hockey puck B which is initially at rest on horizontal frictionless ice. The collision is off-center, and they scatter at the angles shown.

5 initial final 5.60 m/s A 4 A 12 5 13 N
a) [3] Find the speeds vA2 and vB2 of the pucks after the collision.
b) [1] Find the percentage of kinetic energy converted into other forms during this collision.
c) [3] Determine the coefficient of restitution for this collision. (Note: Since B is at rest initially, the given final direction of B defines the line of impact and hence normal direction.)


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