Why might it be useful for scientists to have multiple models for describing Earth's interior structure? Describe how one
model might be more useful than the other depending on the context.

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?