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Posted by on Monday, January 14, 2013 at 12:30pm.

A hockey puck has a mass of 0.120 kg and is at rest. A hockey player makes a shot, exerting a constant force of 29.5 N on the puck for 0.16 s. With what speed does it head toward the goal?

  • Physics - , Monday, January 14, 2013 at 1:06pm

    You should have come across a law that says the momentum change equals the impulse. In your case, the momentum change is the final momentum.

    M*V = F*t

    Plug in the appropriate numbers and solve for V

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