A 1020 kg car moving 400 ms rear ends a 560 kg car at stop
A 1020 kg car moving 40.0 m/s rear ends a 560 kg car at stop. When they collide, the bumpers lock and they move together. What is their final speed? how much energy was lost as heat and vibration?
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a 1020 kg car moving 400 ms rear ends a 560 kg car at stop when they collide the bumpers lock and they move together
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