The man's mass is 68 kg, and the canoe's is 129 kg. The man and canoe are initially at rest when the man throws a package of mass  m = 15 kg  horizontally to the right with a speed of  vi = 4.6 m/s.  What is the velocity of the canoe after the package is thrown? Neglect any resistance force from the water. (Give the magnitude in m/s, and select the correct direction from the options given.)

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