Question 3: a) Two objects, one with a mass of 2.0 kg and the other with...

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Question 3: a) Two objects, one with a mass of 2.0 kg and the other with a mass of 3.0 kg, approach each other at an equal speed of 5.0 m / s. Objects collide and become one piece. a1) Find the final velocity of the particles. a2) Find the amount of kinetic energy lost during the collision. a3) If it is assumed that the objects approach each other at a 90 ° angle before the collision (ie along the x and y axes), what will the kinetic energy loss be? b) Find the center of mass of the regular L-shaped iron bar with sides of 0.40 m and 0.70 m respectively. (Consider the L shape of the rod as thin) Question 3: a) Two objects, one with a mass of 2.0 kg and the other with a mass of 3.0 kg, approach each other at an equal speed of 5.0 m / s. Objects collide and become one piece. a1) Find the final velocity of the particles. a2) Find the amount of kinetic energy lost during the collision. a3) If it is assumed that the objects approach each other at a 90 ° angle before the collision (ie along the x and y axes), what will the kinetic energy loss be? b) Find the center of mass of the regular L-shaped iron bar with sides of 0.40 m and 0.70 m respectively. (Consider the L shape of the rod as thin)