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A 160 kg hockey puck is moving on a icy, frictionless, horizontal surface.
at t=0 the puck is moving to the right at 3m/s
1) Calculate the velocity of the puck(magnitude and direction) after a force of 25N directed to the right has been applied for 0.050s
2)If instead, a force of 12N directed to the left is applied from t=0 to t=0.050s, wht is the final velocity of the puck?