Question

A coaster is momentarily at rest at the bottom of the first hill of a roller coaster track (point A). At that moment, the coaster is at rest. On the

bar graph below, slide the bars to indicate the quantity of mechanical energy (ME), gravitational potential energy (GPE), and kinetic energy (KE) possessed by the coaster at point A.

Fig: 1

Fig: 2

Fig: 3

Fig: 4