A 77-kg fisherman in a 133-kg boat throws a package of mass m = 15 kg horizontal

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Question Description

77-kg fisherman in a 133-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.6 m/s as in the figure below. Neglecting water resistance, and assuming the boat is at rest before the package is thrown, find the velocity of the boat after the package is thrown.

magnitude     m/s 
direction    

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Explanation & Answer

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total mass of the boat and fishermann=133+77

=210kg

initial velocity of the boat=0m/s

final velocity of of package=4.6m/s

mass of package=15

let the velocity of the boat be x

15 x 4.6=210x

x=69/210

=0.329m/s

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athalnt (125)
UT Austin

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