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A roller coaster with a potential energy of 235,200 J sits at the top of a 30 m high hill. What is the mass of the roller coaster? (Formula: PE = mgh) 800 kg 7,840 kg 8,000 kg 78,400 kg
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3 votes
A roller coaster with a potential energy of 235,200 J sits at the top of a 30 m high hill. What is the mass of the roller coaster? (Formula: PE = mgh)

800 kg
7,840 kg
8,000 kg
78,400 kg

User TheWildHealer
by
8.7k points

2 Answers

5 votes

Answer: A

Step-by-step explanation:

User Hakamadare
by
8.9k points
3 votes

Answer:

A

Step-by-step explanation:

User Charles Khunt
by
8.6k points
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