A spoon rides a roller coaster at the fair. He and his car have a mass of 500.0 kg and coast down a 100 m hill from rest. At the bottom of the hill he (and her car) collide with a car and riders, a ghost and a calf (m=850kg), that sit at rest. If the collision is elastic, will the ghost and the calf make it over the hill that is 50.0 m high?
And the needed speed will be
Thus, the ghost and the calf will make it over the hill that is 50.0 m high.
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