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If a roller coaster train has a potential energy of 1,500 J and a kinetic energy of 500 J as it starts to travel downhill, its total energy is
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If a roller coaster train has a potential energy of 1,500 J and a kinetic energy of 500 J as it starts to travel downhill, its total energy is

User Loi Nguyen Huynh
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2 Answers

5 votes
2000 joules would be the answer 
User Sander Aernouts
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8.7k points
2 votes

E_(total) = KE + PE \\ KE = 500 J \\ PE = 1500 J \\ E_(total) = 500J + 1500J \\ E_(total) = 2000J
User MirekE
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8.5k points
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