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1. A roller-coaster car with a mass of m moves along a smooth track as diagrammed in the graph below. The car leaves point A with no initial velocity and travels to other points along the track. The zero energy level is taken as the energy ot point A.

2. Assume the mass of the car is 65.0 kg and it starts at 30.0 m above the ground Use the graph above to find the kinetic energy, potential energy, and velocity for points C, D, E, F, and G to complete the table.

Location	KE_A	PE_A	KE_location	PE_location	v_location
C
D
E
F
G

3. For each location, what do you notice about the sum KEA + PEA compared with the sum AE locallon + PE locallon ?

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