What is the fractional change in kinetic energy of particles

Reference no: EM13665174

A Particle of mass m moving by a speed Vi has a collision with a particle of mass 2m that is at rest before the collision. After the collision all particle is observed to be moving at an angle θ measured from the original direction of the incoming particle. A) What is the fractional change in kinetic energy of the particles after the collision as compared to the kinetic energy before the collision? B) What value of θ would correspond to an elastic collision?

Reference no: EM13665174

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