A Roller Coaster Starts from Rest at Point A

question 73

Multiple Choice

A roller coaster starts from rest at point A. If you ignore friction and take the zero of potential energy to be at C,

• A) the kinetic energy of the coaster at D will be equal to its potential energy at A.
• B) the kinetic energy of the coaster at E will be equal to its potential energy at C.
• C) the kinetic energy of the coaster at C will be equal to its potential energy at B.
• D) the kinetic energy of the coaster at B will be equal to its potential energy at C.
• E) None of these is correct.

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