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An object A of mass 10 kg with velocity 18 m/s collides with an object B...

An object A of mass 10 kg with velocity 18 m/s collides with an object B of mass 20 kg which is at rest. The two objects undergo a perfectly inelastic collision. What is the velocity of object A after the collision?

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Answer #1

18 m/s velocity is not possible because velocity after collision cannot be same as velocity before collision in the same direction for the same particle.

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