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Question

5. What is this passage mostly about?

A. a day at an amusement park

B. a boy who hates roller coasters

C. how to build a roller coaster

D. how roller coasters use potential and kinetic energy

thA anther no

Answer

D. How roller coasters use potential and kinetic energy.

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The passage is mostly about how roller coasters use potential and kinetic energy. It discusses how the potential energy of the roller coaster is converted into kinetic...