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Homework Statement
A solid wood door 1.00 m wide and 2.00 m high is hinged along one side and has a total mass of 41.0 kg. Initially open and at rest, the door is struck at its center by a handful of sticky mud with mass 0.700 kg, traveling perpendicular to the door at 11.0 m/s just before impact.
Homework Equations
L=rmv=I(omega)
The Attempt at a Solution
I know I have to use conservation of momentum, but I have no idea how to set up the problem of turning linear momentum into angular momentum.