What is the ball speed immediately after the collision

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Q. A 130 block on a frictionless table is firmly attached to one end of a spring with = 29. The other end of the spring is anchored to the wall. A 30 ball is thrown horizontally toward the block with a speed of 6. If the collision is perfectly elastic, what is the ball's speed immediately after the collision?

Reference no: EM1389262

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