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July 24, 2014

Homework Help: physics 213

Posted by Erin on Friday, February 3, 2012 at 6:20pm.

A duck has a mass of 2.80 kg. As the duck paddles, a force of 0.120 N acts on it in a direction due east. In addition, the current of the water exerts a force of 0.190 N in a direction of 48.0 south of east. When these forces begin to act, the velocity of the duck is 0.120 m/s in a direction due east. Find (a) the magnitude and (b) the direction (relative to due east) of the displacement that the duck undergoes in 3.20 s while the forces are acting. (Note that the angle will be negative in the south of east direction.)

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