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.

Question

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.

Quizplus · Accepted Answer

The Answer of  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.

A Roller Coaster Starts from Rest at Point A