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Problem 4 (21 points) An object with mass m₁ = 7 kg is traveling at speed 11 m/s strikes a stationary second object of mass m₂ = 8 kg head-on, and the two masses stick together after the collision. ) Which equation represents the kinetic energy of a moving object:

Calculate the initial kinetic energy of the mass m₁. =) Calculate the initial kinetic energy of the m₂. ts) Determine the total initial kinetic energy of the system. Which is the correct formula for calculating the momentum of a moving object: ) Conservation law of momentum states that: Conservation law of momentum states that: ) Use the conservation law of momentum to calculate the final speed.

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