# 8) A roller-coaster car has a mass of 1780 kg when fully loaded with passengers. The...

###### Question:

8) A roller-coaster car has a mass of 1780 kg when fully loaded with passengers. The car passes over a hill of radius 15 m, as shown. At the top of the hill, the car has a speed of 17.9 m/s. What is the force of the track on the car at the top of the hill? 15 m

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