Homework Help: physics homework

Posted by ama bankye on Saturday, November 13, 2010 at 7:26pm.

a hockey puck of mass 0.05kg sliding on the ice with velocity 20m/s is stopped by a goalie in 0.10sec. what is the magnitude and direction of the force exerted by the goalie on the puck.

physics homework - bobpursley, Saturday, November 13, 2010 at 7:30pm
Impulse=change momentum
force*time=mass*(0-20)
force= .05*-20/.1 notice the direction is opposite the initial velocity

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