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Block A of mass 4.06 kg, moving to the right with speed 5.01 m/s, collides with block B of mass 1.20 kg, which is moving to the left with speed 2.00 m/s. The collision is perfectly elastic. After the collision,
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Block A of mass 4.06 kg, moving to the right with speed 5.01 m/s, collides with block B of mass 1.20 kg, which is moving to the left with speed 2.00 m/s. The collision is perfectly elastic. After the collision, the speed of block A is ______ m/s.

User Cphilpot
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M2=6.3kg that’s my answer
User Zag
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