IV. The Roller Coaster
A roller coaster with a mass of 500 g is pulled up a peak with a force of 4000 N by its motor.
2
1
W
30m
20m
3
es
un
1. Calculate the work done as the roller coaster moves from position 1 to the top of the first peak of the ride
(position 2).
2. It takes 20 seconds for the car to be pulled from position 1 to position 2.Calculate the power of the motor.
3. Calculate the amount of gravitational potential energy possessed by the roller coaster as it reaches position 2
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