A roller coaster is designed with a ramp that reverses the direction of the cars

Question

A roller coaster is designed with a ramp that reverses the direction of the cars. Cars start at the bottom of the ramp, roll up the ramp until stopping, then roll backward down the ramp.

A) In what direction does the acceleration vector of the cars point as they move up the ramp?
Right
Left
Upward or
Downward


Part B
In what direction does the acceleration vector of the cars point as they move down the ramp?
Right
Left
Upward or
Downward

Part C
In what direction does the acceleration vector of the cars point at the highest point on the ramp?
Right
Left
Upward or
Downward

Having trouble, please help!:)

Explanation / Answer

Left Right Upward or

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