Vehicle A of mass 15000 kg travelling at a velocity of 1.5 m/s in the positive...

 

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Vehicle A of mass 15000 kg travelling at a velocity of 1.5 m/s in the positive x-direction collides with vehicle B of mass 12000 kg travelling in the opposite direction at a velocity of 0.75 m/s as shown in Fig. Q.4. When the vehicles collide, they couple and temporarily move together as one body. Determine: (i) The velocity of the vehicles just after coupling. Apply the Principle of Conservation of Momentum. (ii) The average force between the cars if the coupling takes place over a duration of 2 seconds. A B Figure Q.4 Vehicle A of mass 15000 kg travelling at a velocity of 1.5 m/s in the positive x-direction collides with vehicle B of mass 12000 kg travelling in the opposite direction at a velocity of 0.75 m/s as shown in Fig. Q.4. When the vehicles collide, they couple and temporarily move together as one body. Determine: (i) The velocity of the vehicles just after coupling. Apply the Principle of Conservation of Momentum. (ii) The average force between the cars if the coupling takes place over a duration of 2 seconds. A B Figure Q.4