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Two 125 kg bumper cars are moving toward each other in opposite directions. Car X is moving at 10 m/s and Car Z at –12 m/s when they collide head–on. If the resulting velocity of Car Z after the collision
asked
Feb 20, 2017
Physics
high-school
2
answers
4
votes
43.2k
views
Which choice is equivalent to the expression below? 6√7 - 5X√7 - X√7 A.-2√7 B. 0 C.-X^2 D.6V7-6X√7
asked
Jun 2, 2015
Mathematics
high-school
2
answers
2
votes
220k
views
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