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Posted by on Friday, October 5, 2012 at 3:45pm.

Leroy, who has a mass of 90 , is skateboarding at 8.6 when he smacks into a brick wall and comes to a dead stop in 0.2 .find the force of impact

  • physics - , Friday, October 5, 2012 at 3:56pm

    F=m•v/t=90•8.6/0.2=3870 N

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