Sheila (m=62 kg) is riding the Demon roller coaster ride. The turning radius of the top of the loop is 12 m. Sheila is upside down at the top of the loop and experiencing a normal force which is one-half of her weight. Draw a free body diagram and determine Sheila's speed. (4
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- Disturbed by speeding cars outside his workplace, Nobel laureate Arthur Holly Compton designed a speed bump (called the "Holly hump") and had it installed. Suppose a 1 800-kg car passes over a hump in a roadway that follows the arc of a circle of radius 19.6 m as in the figure below. (a) If the car travels at 29.5 km/h what force does the road exert on the car as the car passes the highest point of the hump? magnitude N direction down (b) What is the maximum speed the car can have without losing contact with the road as it passes this highest point? km/hDisturbed by speeding cars outside his workplace, Nobel laureate Arthur Holly Compton designed a speed bump (called the "Holly hump") and had it installed. Suppose a 1800-kg car passes over a hump in a roadway that follows the arc of a circle of radius 19.0 m as in the figure below. (a) If the car travels at 24.0 km/h what force does the road exert on the car as the car passes the highest point of the hump? magnitude N direction -Select (b) What is the maximum speed the car can have without losing contact with the road as it passes this highest point? km/h Need Help? Read tDisturbed by speeding cars outside his workplace, Nobel laureate Arthur Holly Compton designed a speed bump (called the "Holly hump") and had it installed. Suppose a 1800-kg car passes over a hump in a roadway that follows the arc of a circle of radius 18.0 m as in the figure below. (a) If the car travels at 20.8 km/h what force does the road exert on the car as the car passes the highest point of the hump? magnitude direction N down (b) What is the maximum speed the car can have without losing contact with the road as it passes this highest point? km/h Need Help? Read it
- Your answer is partially correct. Flying Circus of Physics A roller-coaster car has a mass of 1000 kg when fully loaded with passengers. As the car passes over the top of a circular hill of radius 23 m, its speed is not changing. (a) At the top of the hill, what is the normal force (using the negative sign for the downward direction) FN on the car from the track if the car's speed is v = 7.8 m/s? (b) What is FN if v = 20 m/s? Use g=9.81 m/s² (a) Number Units N (b) Number Units eTextbook and Media Hint tv MacBook Air DD 20 888 F9 F8 F7 F6 esc F4 F5 F2 F3 F1 &A small black with mass 0.0700 kg slides in a vertical circle of radius R= 0.800 m on the inside of a circular track, There is no friction bětween the track and the block, t the bottom of the block's path, the normal force that the track exerts on the block has magnitude 4.00 N. what is the magnitude 'of the normal force that the track exerts on the block when it is at the top of its path?A small model car with mass m travels at constant speed on theinside of a track that is a vertical circle with radius 5.00 m .If the normal force exerted by the track on the car when it is at the bottomof the track (point A) is equal to 2.50mg, how much time does ittake the car to complete one revolution around the track?
- The center arm then lifts the riders up so they are in a vertical circle perpendicular to the ground as seen in the picture. The enterprise travels in a horizontal circle of radius 10.0 meters and has a constant velocity of 10.0 m/s. You have a mass of 100 kg. The ride now moves into a vertical position, but still has a speed of 10 m/s. Calculate the force that the seat applies to you at the bottom (lowest point) of the ride 200 N 2000 N 20000 N 200000 N None of theseA roller coaster car enters the circular loop portion of the ride. Determine the speed of the car at the very top of the circle (where the people in the car are upside down), the acceleration points straight down. If the diameter of the loop is 150m and the total mass of the car (plus passengers) is 1500 kg, and the magnitude of the normal force exerted by the track on the car at this point is 500N.A child of mass 40.0 kg is in a roller coaster car that travels in a loop of radius 8.60 m. At point A the speed of the car is 14.8 m/s, and at point B, the speed is 15.5 m/s. Assume the child is not holding on and does not wear a seat belt. (a) What is the force (in N) of the car seat on the child at point A? (Enter the magnitude.) ______N (b)What is the force (in N) of the car seat on the child at point B? (Enter the magnitude.)______N (c)What minimum speed (in m/s) is required to keep the child in his seat at point A?______m/s
- A car of mass m passes over a hump in a road that follows the arc of a circle of radius R as shown. (a) If the car travels at a speed υ, what force does the road exert on the car as the car passes the highest point of the hump? (b) What If? What is the maximum speed the car can have without losing contact with the road as it passes this highest point?An airplane flys in a circular loop with radius of 750m, the pilot of the airplane have a mass of 75kg. The airplane moves with a constant velocity of 100m/s. a) How much force is being put on the pilot from the seat in the top and bottom of the loop? b) What is the speed if the pilot loses contact with the seat at the top of the loop?A 59.0-kg ice skater is moving at 4.07 m/s when she grabs the loose end of a rope, the opposite end of which is tied to a pole. She then moves in a circle of radius 0.810 m around the pole. red (a) Determine the magnitude of the force exerted by the horizontal rope on her arms. kN (b) Compare this force with her weight. Frope %3D W Need Help? Read It