A 900.0 kg roller coaster car starts from rest at point A, rolls down the track,...
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A 900.0 kg roller coaster car starts from rest at point A, rolls down the track, goes around a loop (points B and C) and then flies off the inclined part of the track (point D). The dimensions are: H = 80.0 m, r= 15.0 m, h = 10.0 m and 9 = 30.0° A B 8 h a) What is the speed of the car at point B? 39.6 m/s b) What is the speed of the car at point C? 31.305 m/s c) What is the speed of the car at point D? 37.04 m/s d) What is the force applied by the surface of the loop on the car at point B? 8,820 N -D A 900.0 kg roller coaster car starts from rest at point A, rolls down the track, goes around a loop (points B and C) and then flies off the inclined part of the track (point D). The dimensions are: H = 80.0 m, r= 15.0 m, h = 10.0 m and 9 = 30.0° A B 8 h a) What is the speed of the car at point B? 39.6 m/s b) What is the speed of the car at point C? 31.305 m/s c) What is the speed of the car at point D? 37.04 m/s d) What is the force applied by the surface of the loop on the car at point B? 8,820 N -D
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