Physics, 12.01.2021 17:30, 22danny

The 800 kg roller coaster starts from rest at point W, which is 20 meters high. If 50,000 J of energy are "lost" to heat, how fast will the roller coaster be traveling at point X?

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The 800 kg roller coaster starts from rest at point W, which is 20 meters high. If 50,000 J of energ...