Circular Motion Due to FrictionA person is standing on a merry-go-round, as shown below. The coefficient of static friction between the person'sfeet and the merry-go-round is 0.64. What is the maximum number of revolutions per minute (rpm) that the merry-go-round can have without the person sliding off?(answer: 16 rpm)r= 2.20 m

coefficient of static friction is 0.64 µ=0.64 since the person is under circular motion so in the…

Answered: Circular Motion Due to Friction A…

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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3. A car of mass m is traveling along a circular track of radius r with a constant speed v. Determine the minimum coefficient of static friction between the tires and the track required for the car to remain in circular motion if: a. the track is flat. b. the track has an angle
m R A racing greyhound can run around curves at high speed. Suppose the radius of a semicircular turn on a dogtrack is 21.6 m, and the speed of a greyhound is constant at 15.1 m/s; assume the dog's mass is 22.7 kg. What is the acceleration of the greyhound on the turn? (in m/s^2) OA: 4.487 OB: 5.070 OC: 5.729 OD: 6.474 OE: 7.316 OF: 8.267 OG: 9.342 OH: 10.556
D03
A 1200 kg car rounds a level freeway exit turn of radius 40m at constant speed of 20m/s. What is the net force on the car as a vector? Choose your own coordinate system that seems appropriate.
Braving the Rotor at the Amusement Park (Circular Motion Due to Normal Force) The Rotor is an amusement park ride where people stand against the inside of a spinning cylinder, as shown below. Once the cylinder is spinning at a certain speed, the floor drops out of the bottom of the cylinder but the people do not fall out of the bottom. A conservative low estimate of the coefficient of static friction between people's clothes and the cylinder wall is 0.45. The radius of the cylinder is 2.4 m. What is the minimum number of rpm that the cylinder can have so that the people do not fall out the bottom? (answer: 29 rpm)
VCM-1 Rommel drives his car straight ahead with a constant speed over a hilltop with circular curvature of radius R. a) Draw the free body diagram for Rommel's car when it is passing the highest point on the hill as shown to the right. b) Apply Fnet ma to Rommel's car for the radial and tangential directions. Use no numbers in these equations. c) Rommel's car has a mass of 1,800kg and is traveling at a constant speed of 15.0m/s. The radius of the hill is R-40.0M. Use your equations from part b) to find the normal force exerted on the car by the road when the car is at the top of the hill. V. R
Question 8 A car is travelling into an unbanked turn with radius of 11.0 m. The coefficient friction is 1.4. What is the maximum speed the car can travel and still be able to maintain a circular path? Answer in m/s to one decimal place. Your Answer: Answer Question 9 A ball on the end of a string is swung in a vertical circle. The length of the string is 0.4 m. What is the minimum speed required to maintain the circular motion? Answer in m/s to one decimal place. Your Answer: Answer units
A car is moving in a circular road (radius of 56.8 m) with a speed of 13.1 m/s. Find the minimum static friction coefficient between the wheels of the car and the road to keep the car moving without sliding. Select one: O A. 0.459 ОВ. 0.363 OC. 0.399 O D. 0.438 O E. 0.308 Next page e O G 4) ENG 4:46 PM
M
In the figure, a car is driven at constant speed over a circular hill and then into a circular valley with the same radius. At the top of the hill, the normal force on the driver from the car seat is 0. The driver's mass is 89.0 kg. What is the magnitude of the normal force on the driver from the seat when the car passes through the bottom of the valley? Radius Radius Number Units
What is the radius of the cars turn
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