A car traveling north at 30m/s has a mass of 1500 kg. It hits a second car of mass 1000 kg and they both come immediately to rest. What was the speed and direction of the second car just before the collision? * 5 O 30 m/s; north O 30 m/s; south 45 m/s; north ) 45 m/s; south O 54 m/s; east
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