Answered: MCQ 5. A roller-coaster car has a mass… | bartleby

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MCQ 5. A roller-coaster car has a mass of 500 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 8.0 m/s. What is the
force of the track on the car at the top of the hill?
15 m
8.0 m/s
a. 7.0 kN up
b. 7.0 kN down
c. 2.8 kN down
d. 2.8 kN up
e. 5.6 kN down
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