amdoctorlife9257 amdoctorlife9257
  • 12-04-2024
  • Physics
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A 935-kg roller coaster car descends a hill from Point A to Point B for 149 feet at an angle of 57.5° below the horizontal.

a. Determine the net force acting upon the roller coaster car.

b. Determine the work done on the car by gravity.

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