A hockey puck with a mass of 0.16 kg travels at a velocity of 40 m/s toward a goalkeeper. The goalkeeper has a mass of 120 kg and is at rest. Assuming a closed system, find the total momentum of the goalkeeper and puck after the puck is caught by the goalkeeper. Identify the object with the greater momentum after the puck is caught.
Can you pls explain cuz I don’t understand this at all 😭
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1 answer

conserve momentum, so p = 0.16*40 = 6.4 kgm/s
after the collision, both the goalie and the puck are moving with the same velocity.
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answered by oobleck
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