Physics, 18.10.2019 06:00, jack626259

The car a of mass 1000kg travellling at 25 m/s colides with other car b of nass 1500 kg moving with the speed of 20m/in the same direction , after collision the velocity of car a become 15m/s , what would be the velocity of car b?

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The car a of mass 1000kg travellling at 25 m/s colides with other car b of nass 1500 kg moving with...