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QuizMultiple Choice

Lab: Kinetic Energy

Question 1 • PBCSD_Grade_Forgiveness_2003310_Physical Science_S2_2022

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)

Answer
A
800 kg
B
7,840 kg
C
8,000 kg
D
78,400 kg
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