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physics

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really confused, A 2kg box is sliding east at 50m/s on a frictionless floor when it collides with a 4kg box sliding east at 10m/s. After the collision, the 2 kg box is sliding east at 20m/s and the 4kg block is sliding east at 25m/s. Calculate the coefficient of restitution. What type of collision is this?

  • physics - ,

    conservation of kinetic energy

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