May 30, 2016

Homework Help: physics!!

Posted by jesse k on Friday, February 21, 2014 at 3:18pm.

A ball of mass m strikes a wall that is perpendicular to its path at speed +v and rebounds in the opposite direction with a speed v. The impulse imparted to the ball by the wall is

1) 2mv 2)mv 3)-mv 4)zero 5)-2mv

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