Alice, Bob, and Charlie (all three are inertial observers) witness the same event: a small car (m = 2000 kg) and a large

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Alice, Bob, and Charlie (all three are inertial observers) witness the same event:
a small car (m = 2000 kg) and a large truck (M = 4000 kg) collide and stick together.
i) According to Ann, the small car is initially not moving (relative to Ann), and the truck is initially moving at Vota = +30" (relative to Ann). ii) According to Bob, the small car is initially moving at Voco (relative to Bob), and the truck is initially at rest (relative to Bob). iii) According to Charlie, the center of mass of the car-truck system is not moving (relative to Charlie). A) Work the above "Inelastic Collision problem" so you can answer the following questions about the three different perspectives (reference frames) for this event. B) Provide before and after sketches of the collision as witnessed from each observer (6 total sketches). Make sure Alice, Bob, and Charlie are represented in each sketch. The initial and final velocities should be calculated and shown in the sketches. C) What is the relative velocity between the Alice and Bob reference frames, UAB? ... Upc?...Uce? D) What does the Galilean Velocity Transformation Equation vx = Vy + Uyx mean in this context? Make sure you demonstrate how this is true/used for at least one pair of reference frames.