In a headon collision without friction a 4000 kg truck
in a headon collision (without friction) a 4000 kg truck going 10m/s due east strikes a 2000kg car gong 40m/s west. after the truck and car couple together what speed do they roll with? what direction do they roll in?
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in a headon collision without friction a 4000 kg truck going 10ms due east strikes a 2000kg car gong 40ms west after
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