## Question

###### A 1000 kg rollercoaster car begins 100 meters above the ground. After the car rolls down to 20 meters above the ground, it enters a circular loop with a diameter of 40 meters across Assume friction and drag are negligible What is the KE of the car when entering the loop? b_ What is the velocity of the car at the top of the loop? What is the direction and magnitude of the normal force on the car from the track at the top of loop?

A 1000 kg rollercoaster car begins 100 meters above the ground. After the car rolls down to 20 meters above the ground, it enters a circular loop with a diameter of 40 meters across Assume friction and drag are negligible What is the KE of the car when entering the loop? b_ What is the velocity of the car at the top of the loop? What is the direction and magnitude of the normal force on the car from the track at the top of loop?

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