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Just as Goldilocks was about to run up the stairs, The Cozzinator, the toughest looking of them all, saw Goldilocks and chased her down. As Goldilocks started running up the stairs with momentum, the physicists' assistant, Shaneekquwah, also ran down the stairs with momentum, and they ran into each other. This collision resulted in impulse changing the girls' individual momentums, but since the law of conservation of momentum states the total momentum never changes, they both kept a momentum going down the stairs. When Goldilocks and Shaneekquwah got up, they saw all three physicists standing above them. The Cozzinator, Cozzilla and Cozzenstein all decided that Goldilocks would have to solve a physics problem in order to get out of the dungeon of physics doom. The physics problem she had to solve would be one about momentum and impulse. They told Goldilocks "If you have a mass of 75kg and were running up the stairs at a velocity of 10m/s, find the momentum at which you were running up the stairs. Then, if Shaneekquwah has a mass of 80kg and was running down the stairs at 12m/s, find her momentum."

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