The figure below shows a man in a rowboat on a lake. The man's mass is 73 kg, and the rowboat's is 113 kg. The man and rowboat are initially at rest when the man throws a package of mass

m = 15 kg

horizontally to the right with a speed of

vi = 4.8 m/s.

What is the velocity of the rowboat 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.)

magnitude

m/s

direction

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