A 0.160-kg {\rm kg} hockey puck is moving on an icy, frictionless, horizontal surface. At t=0 t=0 the puck is moving to the right at 2.91m/s m/s .
1)Calculate the magnitude of the velocity of the puck after a force of 25.9N N directed to the right has been applied for 6.0×10−2s s .
2)If instead, a force of 12.7N N directed to the left is applied from t=0 t=0 to t= t= 6.0×10−2s s , what is the magnitude of the final velocity of the puck?
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