A cat dozes on a stationary merry-go-round, at aradius of 4.1 m from the center of the ride. Theoperator turns on the ride and brings it up to itsproper turning rate of one complete rotation every6.5 s. What is the least coefficient of static frictionbetween the cat and the merry-go-round that willallow the cat to stay in place, without sliding?Number iUnits<>>

Given data:Radius, r = 4.1 m. Complete every rotation in time,t=6.5sSolution:Total distance covered…

Answered: A cat dozes on a stationary…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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An RC car drives around in a circle of radius 1.00 m. The coefficient of static friction between the tires and the floor is 0.85; the coefficient of kinetic friction is 0.60. The mass of the car is 400 g, and its speed is 2.5 m/s. What is the maximum speed at which the car could travel and still move in the same circle ?
At amusement parks, there is a popular ride where the floor of a rotating cylindrical room falls away, leaving the backs of the riders “plastered” against the wall. Suppose the radius of the room is 3.3 m. If the coefficient of static friction between a rider’s back and the wall is 0.389, what is the minimum rotation speed of the cylindrical room in of revolutions per minute (rpm) if the rider is to remain in place when the floor drops away? Use g=10 m/s2.
The figure shows a motorcycle going around a loop of radius R = 6.58 m at constant speed. Find the normal force magnitude on the 70.3-kg rider at the bottom of loop if the normal force at the top of the loop has a magnitude of 60 N. R n = N
Current Attempt in Progress In an automatic clothes drier, a hollow cylinder moves the clothes on a vertical circle (radius r = 0.516 m), as the drawing shows. The appliance is designed so that the clothes tumble gently as they dry. This means that when a piece of clothing reaches an angle of 0 above the horizontal, it loses contact with the wall of the cylinder and falls onto the clothes below. How many revolutions per second should the cylinder make in order that the clothes lose contact with the wall when 0 = 57.0°? Number eTextbook and Media Save for Later Units > //education.wiley.com/was/ui/v2/assessment-player/index.html?launchid=87c04f9d-f34c-4936-9853-f4158c3e5e24# Attempts: 1 of 5 used Submit Answer
A model airplane of mass 0.75 kg flies in a horizontal circle at the end of a 60 m control wire, with a speed of 35 m/s. Determine the tension in the wire if it makes a constant angle of 20 degrees with the horizontal. The forces exerted on the airplane are the pull of the control wire, its own weight, and aerodynamic lift, which acts at 20 degrees inward from the vertical as shown in the diagram
A curve in a stretch of highway has radius 512 m. The road is unbanked. The coefficient of static friction between the tires and road is 0.700. When the car enters the curve at a speed greater than the maximum safe speed (speed at which the car won’t skid), which of the following statements are correct?
A vial containing a blood sample is placed into a centrifuge, which spins the sample quickly to separate the blood into its parts. The centrifuge has a radius of 0.12 m, and spins at a rate of 1750 rpm. If the blood sample and vial have a combined mass of 95 g, what is the centripetal force holding the vial in place? 22.0 N 991 N 4030 N 383 N
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A 30-kg child sits on the edge of a merry-go-round. The child is located 6 m from the center of the merry-go-round. The tangential speed of the child is 12 m/s. The child moves from the edge to the center of the merry-go-round. Which of the graphs below best represents the centripetal force on the vertical axis versus the speed of the child on the horizontal axis? A) В) D)
An old amusement park ride, called The Rotor, is a large, upright rotating barrel. Riders enter and stand near the outer circular wall. Once the ride reaches full speed, the floor is retracted, leaving the riders stuck to the wall of the drum. Draw a force diagram of a person in the Rotor Ride. What is the minimum speed should a 5.0-m diameter Rotor Ride reach before dropping the floor if the coefficient of static friction is 0.70 and the coefficient of kinetic friction is 0.60? What is the minimum required weight for this ride?
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A 83-kg pilot in training sits in a centrifuge that spins his seat around a central axis. When the seat is moving in its circular path at a speed of 3.0 m/s, he feels a 585-N force pressing against his back (the seat faces the axis). What is the radius of the centrifuge?

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