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A 0.43-kg soccer ball rolls toward an immoveable goalpost at a velocity of 6.8 m/s. Assuming the collision between the soccer ball and goalpost is perfectly elastic, what is the velocity of the soccer
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A 0.43-kg soccer ball rolls toward an immoveable goalpost at a velocity of 6.8 m/s. Assuming the collision between the soccer ball and goalpost is perfectly elastic, what is the velocity of the soccer ball after the collision?

User Alon Ashkenazi
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6 votes
it's perfectly elastic so 6.8m/s opposite direction
User Jeremy Lindblom
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