N Student Links - North X _ Applications | Rapidld X N PHY 231 Homework - X Question 4 of 10 - PH X Student Center X Home X M VCCS Authentication (X + V X -> C assessments.macmillanlearning.com/sac/6862364#/6862364/3/-1 I C y! apple credit union -.. New Tab Settings M Gmail YouTube ) Maps Translate 4 of 10 Questions 6 of 10 Attempts Correct A certain amusement park ride consists of a large rotating 2 Question 100% cylinder of radius R = 2.95 m. As the cylinder spins, riders 2 of 10 Attempts Correct inside feel themselves pressed against the wall. If the cylinder rotates fast enough, the frictional force between the riders and 3 Question 100% the wall can be great enough to hold the riders in place as the 1 of 10 Attempts Correct floor drops out from under them. R 4 Question 0% 0 of 10 Attempts If the cylinder makes f = 0.530 rotations/s, what is the magnitude of the normal force IN between a rider and the 5 Question 0% wall, expressed in terms of the rider's weight W? 0 of 10 Attempts 6 Question 0% 0 of 10 Attempts FN = W 7 Question 0% 0 of 10 Attempts What is the minimum coefficient of static friction us required 8 Question between the rider and the wall in order for the rider to be held 0 of 10 Attempts in place without sliding down? 9 Question 0% 0 of 10 Attempts HS 2 10 Question 0% 0 of 10 Attempts W 7:33 PM 7/21/2022e a e . u o applecreditunionr... e NewTalJ Set'tjngs M Gmall VauTube 9 Maps & Translate (D AssignmentScore:- D Resources 0 Hint CheckAnswer ( Question 5 of 10 > A car travels down a straight country mad that leads ever hills and through valleys. On one particular stretch of mad, the ear encounters a hill that can be approximated as the top ofa circle with a radius r}, = 109 m. Later, the car comes to a dip with a radius of curvature rd = 81 m. Assume that the car maintains a constant speed of v = 25 mls as it goes river the hill and through the dip. Figure not to scale. The actual weight of the driver, as measured on a at stretch of road, is 6.0 x 102 N. What is the apparm weight ofthe m. = :] N driver at the mp of the hill? What is the apparent weight of the driver at. the bottom of '9 N Student Links - Northern Vi X Applications | Rapididentity X N PHY 231 Homework -- Circi x Question 6 of 10 - PHY 231 X Home X Dashboard X + V X -> C assessments.macmillanlearning.com/sac/6862364#/6862364/5/-1 I C y! apple credit union -.. New Tab Settings M Gmail YouTube ) Maps Translate 6 of 10 Questions 6 of 10 Attempts Correct Suppose a NASCAR race car rounds one end of the Martinsville Speedway. This end of the track is a turn with a radius of 2 Question 100% approximately 57.0 m. If the track is completely flat and the race car is traveling at a constant 26.5 m/s (about 59 mph) around 2 of 10 Attempts Correct the turn, what is the race car's centripetal (radial) acceleration? 3 Question 100% 1 of 10 Attempts Correct centripetal acceleration: m/$2 4 Question 0% 0 of 10 Attempts 5 Question 0% Which force is responsible for the centripetal acceleration in this case? 0 of 10 Attempts 6 Question 0% normal 0 of 10 Attempts gravity 7 Question 0% O weight 0 of 10 Attempts O friction 8 Question 0% 0 of 10 Attempts What is the minimum coefficient of static friction between the race car's tires and the track necessary to keep the car from 9 Question 0% skidding into the wall on the outside of the turn? 0 of 10 Attempts 10 Question 0% 0 of 10 Attempts coefficient of static friction: W 7:36 PM 7/21/2022N Student Links - Northern Vi X Applications | Rapididentity X N PHY 231 Homework -- Circi x Question 7 of 10 - PHY 231 X Home X Dashboard X + V X -> C assessments.macmillanlearning.com/sac/6862364#/6862364/6/-1 I C y! apple credit union -... New Tab Settings M Gmail YouTube 9 Maps Translate 7 of 10 Questions 6 of 10 Attempts Correct An engineer wants to design a circular racetrack of radius L 2 Question 100% such that cars of mass m can go around the track at speed V 2 of 10 Attempts Correct without the aid of friction or other forces other than the perpendicular contact force from the track surface. 3 Question 100% 1 of 10 Attempts Correct 4 Question 0% 0 of 10 Attempts 5 Question 0% 0 of 10 Attempts 6 Question 0% 0 of 10 Attempts Find an expression for the required banking angle 0 of the 7 Question 0% 0 of 10 Attempts track, measured from the horizontal. Express the answer in 0 = terms of m, L, V, and g. 8 Question 0% 0 of 10 Attempts Suppose the race cars actually round the track at a speed W > V. What additional radial force F, is required to keep Fr = 9 Question 0% the cars on the track at this speed? Express the answer in 0 of 10 Attempts terms of m, L, V, W, and g. 10 Question 0% 0 of 10 Attempts w 7:36 PM 7/21/2022