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a superball with mass equal to 50 grams is dropped from a height of 1.5m . It collides with a table, then bounces up to a height of 1m . The duration of the collision (the time during which the superball is in contact with the table) is 15ms . In this problem, take the positive y direction to be upward, and use for the magnitude of the acceleration due to gravity 9.8. Neglect air resistance. Find the y component of the momentum of the ball immediately before the collision?

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